Date: 3/31/2025
Form: 10-K - Annual Report
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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Accounts receivable, tax credits | $ 6,683 | $ 11,381 |
| Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Preferred stock, shares authorized (in shares) | 5,000,000 | 5,000,000 |
| Preferred stock, shares issued (in shares) | 0 | 0 |
| Preferred stock, shares outstanding (in shares) | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized (in shares) | 75,000,000 | 75,000,000 |
| Common stock, shares issued (in shares) | 43,803,243 | 43,763,243 |
| Common stock, shares outstanding (in shares) | 43,803,243 | 43,763,243 |
| Nonrelated Party [Member] | ||
| Allowance for bad debt | $ 29 | $ 55 |
| Accounts receivable, tax credits | 6,683 | 11,381 |
| Accounts payable, Blenders' Tax Credit Rebates | $ 890 | $ 890 |
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- Definition Amount of related party expense. No definition available.
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- Definition Amount of realized and unrealized gain (loss) on investment in marketable security. No definition available.
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments in marketable securities and derivative instruments held at each balance sheet date and included in earnings for the period. No definition available.
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- Definition The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid and amount of liabilities classified as other, due within one year or the normal operating cycle, if longer associated with related parties. No definition available.
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- Definition Represents the amount of increase (decrease) in dividends payable. No definition available.
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- Definition The increase (decrease) in related party during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. No definition available.
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the obligations due for goods and services provided by the following types of related parties: a parent company and its subsidiaries, subsidiaries of a common parent, an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the amount due to the reporting entity for good and services provided to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, member of their immediate families, affiliates, or other parties with the ability to exert significant influence. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) in noncurrent operating liabilities classified as other. No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in operating assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The net cash inflow or outflow for the increase (decrease) associated with investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions. No definition available.
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| X | ||||||||||
- Definition Amount of interest expense classified as other. No definition available.
|
| X | ||||||||||
- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. No definition available.
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| X | ||||||||||
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of decrease in additional paid in capital (APIC) resulting from dividends legally declared (or paid) in excess of retained earnings balance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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| X | ||||||||||
- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
Insider Trading Arrangements |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 | |||
| Trading Arrangements, by Individual [Table] | |||
| Material Terms of Trading Arrangement [Text Block] |
None. |
||
| Rule 10b5-1 Arrangement Adopted [Flag] | false | ||
| Non-Rule 10b5-1 Arrangement Adopted [Flag] | false | ||
| Rule 10b5-1 Arrangement Terminated [Flag] | false | ||
| Non-Rule 10b5-1 Arrangement Terminated [Flag] | false |
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| X | ||||||||||
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Cybersecurity Risk Management and Strategy Disclosure |
12 Months Ended | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 | |||||||||||||||||||||||||||||||
| Cybersecurity Risk Management, Strategy, and Governance [Line Items] | |||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] |
Risk Management and Strategy
The Company understands the importance of managing risks from cybersecurity incidents and utilizes a multilayered strategy guided by the National Institute of Standards and Technology (“NIST”) Cybersecurity Framework for assessing, identifying, detecting and responding to threats and other potential incidents. Key aspects of our strategy for managing risks of cybersecurity threats include:
To date, the Company does not believe that cybersecurity incidents have materially affected the Company, its business strategy, results of operations, or financial condition. The Company cannot provide assurance that it will not be materially affected by any future material cybersecurity incidents. For more information about the cybersecurity risks the Company faces, see Item 1A, Risk Factors, above. |
||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Processes Integrated [Flag] | true | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Processes Integrated [Text Block] | The Company understands the importance of managing risks from cybersecurity incidents and utilizes a multilayered strategy guided by the National Institute of Standards and Technology (“NIST”) Cybersecurity Framework for assessing, identifying, detecting and responding to threats and other potential incidents. Key aspects of our strategy for managing risks of cybersecurity threats include: | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Third Party Engaged [Flag] | true | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] | true | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] | false | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] | To date, the Company does not believe that cybersecurity incidents have materially affected the Company, its business strategy, results of operations, or financial condition. The Company cannot provide assurance that it will not be materially affected by any future material cybersecurity incidents. For more information about the cybersecurity risks the Company faces, see Item 1A, Risk Factors, above. | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Board of Directors Oversight [Text Block] |
Governance
The Company’s Information Technology (“IT”) Director is responsible for developing and implementing our cybersecurity program and has over 20 years of cybersecurity experience in various roles involving information security, developing cybersecurity strategies, and implementing cybersecurity programs. Our program includes that all employees complete annual cybersecurity awareness training. The IT Director is responsible for reporting audit findings and risk information to the Company’s Chief Financial Officer (“CFO”).
Our board of directors is responsible for overseeing our enterprise risk management activities in general, and each of the committees of our board of directors assists the board of directors in the role of risk oversight. The Audit Committee of the board of directors oversees our cybersecurity risk and receives reports from time to time from our CFO on cybersecurity risk management. Promptly after becoming aware of a material cybersecurity incident affecting our IT systems or data, the IT Director would work with management to formulate a mitigation plan and review compliance with such plan, as well as to ensure compliance with any external regulatory or disclosure requirements, including any disclosures of material cybersecurity incidents. |
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| Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] | Our board of directors is responsible for overseeing our enterprise risk management activities in general, and each of the committees of our board of directors assists the board of directors in the role of risk oversight. The Audit Committee of the board of directors oversees our cybersecurity risk and receives reports from time to time from our CFO on cybersecurity risk management. Promptly after becoming aware of a material cybersecurity incident affecting our IT systems or data, the IT Director would work with management to formulate a mitigation plan and review compliance with such plan, as well as to ensure compliance with any external regulatory or disclosure requirements, including any disclosures of material cybersecurity incidents. | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Positions or Committees Responsible [Flag] | true | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Expertise of Management Responsible [Text Block] | The Company’s Information Technology (“IT”) Director is responsible for developing and implementing our cybersecurity program and has over 20 years of cybersecurity experience in various roles involving information security, developing cybersecurity strategies, and implementing cybersecurity programs. Our program includes that all employees complete annual cybersecurity awareness training. The IT Director is responsible for reporting audit findings and risk information to the Company’s Chief Financial Officer (“CFO”). | ||||||||||||||||||||||||||||||
| Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] | true |
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Note 1 - Description of Business and Operations |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 | |||
| Notes to Financial Statements | |||
| Nature of Operations [Text Block] |
FutureFuel Corp. (the “Company”) is a Delaware corporation with its wholly owned subsidiaries, FutureFuel Chemical Company; FutureFuel Warehouse Company, L.L.C.; and Legacy Regional Transport, L.L.C.
The Company’s sole operating facility is FutureFuel Chemical Company located in Batesville, Arkansas, a manufacturer of specialty and performance chemicals and biofuels.
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| X | ||||||||||
- References No definition available.
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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 2 - Significant Accounting Policies and Basis of Presentation |
12 Months Ended | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 | |||||||||||||||||||||||
| Notes to Financial Statements | |||||||||||||||||||||||
| Significant Accounting Policies [Text Block] |
Financial Presentation
The consolidated financial statements of FutureFuel Corp. and subsidiaries are prepared in conformity with accounting principles generally accepted in the United States (“GAAP”) and include amounts that are based upon management estimates and judgments which could differ from actual future results. Intercompany transactions and balances are eliminated in consolidation. Certain reclassifications were made to prior year amounts to conform to the 2024 presentation.
Change in Accounting Principle
As of December 31, 2024, we changed the accounting principle related to the presentation for supplies and parts held in support of maintenance and repair of plant equipment from Inventory to Other current assets. As the investment in these supplies and parts has increased given our focus on plant reliability and efficiency as well as the fact that these parts are not revenue generating assets similar to the Company’s raw materials, work in process, and finished goods inventories but are instead held to support the maintenance and repair of the Company’s plant equipment, we determined it preferable to present these supplies and parts held within other current assets rather than inventory, which is composed of assets that may be sold or turned into assets to be sold as part of the Company’s primary business activities. The change in accounting principle was a reduction in inventory and an increase in other current assets of $7,733 and $7,595 at December 31, 2024 and 2023, respectively. There was no impact on any financial statement totals or key benchmarks (working capital, total assets, equity, gross profit, net income, or operating cash flows).
Cash and cash equivalents
Cash equivalents consist of highly liquid investments with original maturities of three months or less and are carried at cost, which approximates fair value. The Company places its temporary cash investments with high credit quality financial institutions. At times, bank deposits may be in excess of the Federal Deposit Insurance Corporation insurance limit, however, no loss has occurred.
Accounts receivable and allowance for credit losses
Accounts receivable are recorded at the invoiced amount and only bear interest if outstanding beyond the agreed upon payment terms. The Company has established procedures to monitor credit risk and has not experienced significant credit losses in prior years. Accounts receivable have been reduced by an allowance for amounts that may be uncollectible in the future. This estimated allowance is based upon management’s evaluation of historical collection experience, current and future economic and market conditions, and a review of the status of individual accounts receivable. Write-offs are recorded at the time a customer receivable is deemed uncollectible.
Customer concentrations
For the years ended December 31, 2024, 2023 and 2022, significant portions of the Company’s sales were made to a relatively small number of customers. Sales to two biodiesel customers totaled 25%, 35%, and 27% of revenue in 2024, 2023, and 2022, respectively. Receivables for the significant customers at December 31, 2024 and 2023, were 13% and 0.2% of total receivables, respectively.
For the years ended December 31, 2024, 2023, and 2022, no chemical customer represented a greater than 10% of total sales revenue. However, one chemical customer had a receivable that was 20% of total receivables as of December 31, 2024.
Inventory
Inventories are valued at the lower of cost or market or net realizable value. The Company determines the cost of raw materials, work in process, and finished goods inventories by the last-in, first-out (“LIFO”) method. The cost of all other inventories is determined by the average cost method, which approximates the first-in, first-out ("FIFO") method. The Company writes-down its inventories for estimated obsolescence or unmarketable inventory equal to the difference between the carrying value of inventory and the estimated market value based upon assumptions about future demand and market conditions.
Derivative instruments
The Company records all derivative instruments at fair value. Fair value is determined by using the closing prices of the derivative instruments on the New York Mercantile Exchange at the end of an accounting period. Changes in the fair value of derivative instruments are recognized at the end of each accounting period and recorded in the consolidated statements of income and comprehensive income as a component of cost of goods sold.
In order to manage commodity price risk caused by market fluctuations in biofuel prices, future purchases of feedstock used in biodiesel production, physical feedstock, finished product inventories attributed to the process, and other petroleum products purchased or sold, the Company may enter into exchange-traded commodity futures and options contracts. The Company accounts for these derivative instruments in accordance with Accounting Standards Codification (“ASC”) 815-20-25, Derivatives and Hedging. Under this standard, the accounting for changes in the fair value of a derivative instrument depends upon whether it has been designated as an accounting hedging relationship and, further, on the type of hedging relationship. To qualify for designation as an accounting hedging relationship, specific criteria must be met and appropriate documentation maintained. The Company had no derivative instruments that qualified under these rules as designated accounting hedges in 2024, 2023, or 2022. See Note 6 - Derivative Instruments. The Company has elected the normal purchase and normal sales exception for certain feedstock purchase contracts and supply agreements and for certain biodiesel sales contracts.
Marketable securities
Investments consist of marketable equity and debt securities stated at fair value. The debt securities are designated as available-for-sale securities at the time of purchase based upon the intended holding period. Gains and losses from the sale of marketable securities and the changes in the fair value of equity securities are recognized as gain (loss) on marketable securities as a component of other income (expense) in the consolidated statements of income and comprehensive income. The cost basis used for all marketable securities is specific identification. Changes in the fair value of debt securities are recognized in accumulated other comprehensive income on the consolidated balance sheets, unless the Company determines that an unrealized loss will not be recovered before it is sold, in which case, the Company will recognize the loss as a component of other income (expense).
See Notes 7 and 8 for further information on marketable securities and fair value measurements.
Fair value measurements
The Company records recurring and non-recurring financial assets and liabilities as well as all non-financial assets and liabilities subject to fair value measurement at the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. These fair value principles prioritize valuation inputs across three broad levels. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. Level 3 inputs are unobservable inputs based on the Company’s assumptions used to measure assets and liabilities at fair value. An asset or liability's classification within the various levels is determined based on the lowest level input that is significant to the fair value measurement.
Supplies and parts
Supplies and parts are carried at cost in Other current assets and Other assets. The Company writes-down its supplies and parts for estimated obsolescence and amounts determined to be in excess of expected needs.
Property, plant, and equipment, net
Property, plant, and equipment, net is carried at cost less accumulated depreciation. Maintenance and repairs are charged to earnings; replacements and betterments are capitalized. When the Company retires or otherwise disposes of an asset, it removes the cost of such asset and related accumulated depreciation from the accounts. The Company records any profit and loss on retirement or other disposition in earnings.
Depreciation expense is calculated based on historical cost and the estimated useful lives of the assets, generally using the straight-line method with the following useful lives:
Impairment of assets
The Company evaluates the carrying value of long-lived tangible assets when events or changes in circumstances indicate that the carrying value may not be recoverable. Such events and circumstances include, but are not limited to, significant decreases in the market value of the asset, adverse changes in the extent or manner in which the asset is being used, significant changes in business climate, or current or projected cash flow losses associated with the use of the assets. The carrying value of a long-lived asset is considered impaired when the total projected undiscounted cash flows from such assets are separately identifiable and are less than its carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair value of the long-lived asset. For long-lived assets to be held for use in future operations, fair value is determined primarily using either the projected cash flows discounted at a rate commensurate with the risk involved or an appraisal. For long-lived assets to be disposed of by sale or other than sale, fair value is determined in a similar manner, except those fair values are reduced for disposal costs.
Asset retirement obligations and environmental costs
The Company establishes reserves for closure/post-closure costs associated with the environmental and other assets it maintains, which include, but are not limited to, waste management units, such as a chemical waste destructor, storage tanks, and boilers. When these types of assets are constructed or installed, a liability is established with a corresponding asset for the future costs anticipated to be associated with the closure of the site based on an expected life of the environmental assets, the applicable regulatory closure requirements, and the Company’s environmental policies and practices. These expenses are charged into earnings over the estimated useful life of the assets. Currently, the Company estimates the useful life of each individual asset up to 27 years. Changes made in estimates of the asset retirement obligation costs or the estimate of the useful lives of these assets are reflected in earnings as an increase or decrease in the period such changes are made.
Environmental costs are capitalized if they extend the life of the related property, increase its capacity, and/or mitigate or prevent future contamination. The cost of operating and maintaining environmental control facilities is charged to expense.
Leases
Leases with an initial expected term of twelve months or less are considered short-term and are not recorded on our consolidated balance sheets. The Company recognizes operating lease expense on a straight-line basis over the lease term.
Litigation
The Company and its operations from time to time may be parties to or targets of lawsuits, claims, investigations, and proceedings including product liability, personal injury, patent and intellectual property, commercial, contract, environmental, health and safety, and environmental matters, which are handled and defended in the ordinary course of business. The Company accrues a liability for such matters when it is probable that a liability has been incurred and the amount can be reasonably estimated. When a single amount cannot be reasonably estimated but the cost can be estimated within a range, the Company accrues the minimum amount.
Revenue recognition
In accordance with ASC Topic 606, Revenue from Contracts with Customers, the Company recognizes revenue when performance obligations of the customer contract are satisfied. The Company sells to customers through master sales agreements or standalone purchase orders. The majority of the Company’s revenue is from short-term contracts with revenue recognized when a single performance obligation to transfer product under the terms of a contract with a customer is satisfied. Accordingly, the Company recognizes revenue when control is transferred to the customer, which is when products are considered to meet customer specification per the customer contract and title and risk of loss are transferred. This typically occurs at the time of shipment or delivery; or for certain contracts, this occurs upon delivery of the material to a Company storage location, ready for customer pickup and separated from other Company inventory. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products and is generally based upon a negotiated price. The Company sells its products directly to customers generally under agreements with payment terms of 30 to 75 days for chemical segment customers and 2 to 10 days for biofuels segment customers.
The Company applies the practical expedient and excludes the value of unsatisfied performance obligations for (i) contracts with an original expected length of one year or less; and (ii) contracts for which the Company recognizes revenue at the amount to which the Company has the right to invoice for services performed.
Revenue within the biofuel segment includes revenue from biodiesel RINs. RINs are renewable identification numbers under the Renewable Fuel Standard (“RFS2”) used to incent the use of renewable fuels domestically. RINs are generated at 1.5 RINs per gallon of biodiesel produced and sold. Revenue is recognized from RINs when transferred to the buyer in the government provided tracking system. No cost is incurred in the generation of a RIN.
Taxes collected from customers remitted to governmental authorities are excluded from revenue. Shipping and handling fees related to sales transactions are billed to customers and recorded as sales revenue.
Cost of goods sold and distribution
Cost of goods sold consists of raw and packaging materials, direct manufacturing costs, depreciation, analytical lab costs, inbound freight, purchasing, and other indirect costs necessary to manufacture products. Biodiesel cost of goods sold also includes a credit for the one dollar per gallon Blenders’ Tax Credit (“BTC”) for blending biodiesel with petroleum diesel when in law. The BTC was in effect during 2024, 2023, and 2022. See Note 3 for further discussion.
Distribution expense includes outbound freight costs, depreciation of distribution equipment, and other indirect costs necessary to distribute product.
Selling, general, and administrative expenses
Selling, general, and administrative expenses include personnel costs associated with sales, marketing, and administration; legal and related costs; consulting and professional service fees; advertising expenses; and other similar costs.
Research and development expenses
Research and development expenses include direct salaries, depreciation of equipment, material expenditures, contractor fees, and other indirect costs. All costs identified as research and development costs are charged to expense when incurred.
Comprehensive income
Comprehensive income is comprised of net income and other comprehensive income (loss) (“OCI”). Comprehensive income comprises all changes in stockholders’ equity from transactions and other events and circumstances from non-owner sources. The Company’s OCI comprises unrealized gains and losses resulting from its investments in marketable debt securities classified as available-for-sale (see Note 7).
Unrealized gains and losses were determined using the specific identification method and are classified in OCI.
Income taxes
The income tax (benefit) provision is determined using the asset and liability approach of accounting for income taxes. Under this approach, deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid. The provision for (benefit from) income taxes represent income taxes paid or payable for the current year plus the change in deferred taxes during the year. Deferred taxes result from differences between the financial and tax bases of the Company’s assets and liabilities and are adjusted for changes in tax rates and tax laws when changes are enacted.
A tax valuation allowance is recognized if it is more likely than not that some portion or all of the deferred tax assets will not be realized. In assessing the recoverability of its deferred tax assets, the Company evaluates available positive and negative evidence to estimate whether it is more likely than not that sufficient future taxable income will be generated to permit use of the existing deferred tax assets in each taxpaying jurisdiction. In making this determination, the Company considers positive evidence in the form of projections of future taxable income, reversing temporary differences, and tax planning strategies. In years in which the Company has experienced objective negative evidence in the form of three cumulative years of tax losses, the Company no longer uses taxable income projections to overcome the presumption of losses and deferred tax asset valuations are computed using only the reversing net deferred tax liability from temporary differences as a source of income.
Issued accounting standards not yet adopted
Accounting Standards Update (“ASU”) No. 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures: The Financial Accounting Standards Board (“FASB”) issued this update in December 2023 which aims to address requests for improved income tax disclosures from investors that use the financial statements to make capital allocation decisions. The amendments in this ASU address the investor requests for more transparency of income tax information and apply to all entities that are subject to income taxes. The ASU is effective for years beginning after December 15, 2024, but early adoption is permitted. This ASU should be applied on a prospective basis, although retrospective application is permitted. The Company will adopt the new standard effective for the year ended December 31, 2025, and does not expect the adoption to have a material impact on its financial statements and disclosures.
ASU No. 2024-03 Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses: The FASB issued this update in November 2024 which aims to provide investors with more useful information about an entity’s expenses by improving disclosures on income statement expenses. The amendments in this ASU require all public business entities to disclose disaggregated information about specific categories underlying certain income statement expense line items. The amendments in this ASU are effective for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is evaluating this accounting standard and does not expect the adoption to have a material impact on its financial statements and disclosures.
Recently adopted accounting standards
ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures: The FASB issued this update in November 2023 which aims to improve disclosures about a public entity’s reportable segments. These changes affect the Company’s segment reporting beginning with the Annual Report for the year ended December 31, 2024, and are applied retrospectively to all prior periods presented. The amendments in this ASU require public business entities to disclose, on an annual and interim basis, significant segment expenses that are regularly provided to the chief operating decision maker and are included within each reported measure of segment profit or loss. This update does not change how an entity identifies or aggregates its reportable segments or how it applies the quantitative thresholds to determine them. The adoption of this ASU had a minimal impact on the Company’s financial statements and related disclosures.
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- References No definition available.
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- Definition The entire disclosure for all significant accounting policies of the reporting entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 3 - Government Tax Credits |
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| Notes to Financial Statements | |||
| Other Income and Other Expense Disclosure [Text Block] |
The Company received the BTC which provided a one dollar per gallon tax credit to the blender of biomass-based diesel with at least 0.1% petroleum-based diesel fuel. The Company recorded this credit as a reduction to cost of goods sold as applicable sales were made.
The Further Consolidated Appropriations Act of 2020 was passed by Congress and signed into law on December 20, 2019, retroactively reinstating the BTC for 2018 and 2019 and extending it through December 31, 2022. With the passage of the Inflation Reduction Act (“IRA”) in August 2022, the BTC was extended through December 31, 2024.
As part of each law from which the BTC mentioned above was reinstated, small agri-biodiesel producers with production capacity not in excess of 60 million gallons were eligible for an additional income tax credit of $0.10 per gallon on the first 15 million gallons of agri-biodiesel sold (the “Small Agri-biodiesel Producer Tax Credit”). The Company was eligible for this credit and recognized $1,500 for 2024, 2023, and 2022 in the same accounting period as the benefit from the BTC as described above. The benefit of this credit is recognized as a component of income tax provision (benefit).
The IRA created the clean fuel production credit (“CFPC”) for qualifying transportation fuel produced after 2024 and sold on or before December 31, 2027. The CFPC consolidates and replaces several fuel related credits which expired December 31, 2024 including the BTC and the Small Agri-biodiesel Producer Tax Credit.
The CFPC is an income tax credit structured on a sliding scale so that producers become eligible for larger credits as the GHG emissions of the fuels they produce approach zero. For producers meeting the prevailing wage and registered apprenticeship requirements, the maximum credit is $1.00 per gallon of nonaviation fuel. For producers not meeting the prevailing wage and registered apprenticeship requirements, the maximum credit is 20 cents per nonaviation fuel gallon. The Company registered for the program in June 2024 when the registration rules were issued and received approval in December 2024 as a clean fuel producer under the program.
On January 10, 2025, the IRS issued Notice 2025-10 with the purpose of providing initial guidance and solicited comment from the public with a deadline of April 10, 2025, and was to serve as an announcement of forthcoming proposed regulations and solicited public input by April 10, 2025. It did not include any reliance language and did not constitute final or binding guidance.
On January 15, 2025, the IRS issued Notice 2025-11 which provided emission rate guidance in support of Notice 2025-10.
CARES ACT – EMPLOYEE RETENTION TAX CREDIT
The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”), was enacted on March 27, 2020, to encourage eligible employers to retain employees on their payroll. The Consolidated Appropriations Act, effective January 1, 2021, broadened the eligibility of the credit. The Company applied for this credit and will recognize the benefit of the credit once reasonable assurance can be made as to the retention of the credit.
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- References No definition available.
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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Note 4 - Revenue Recognition |
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| Revenue from Contract with Customer [Text Block] |
The majority of revenue is from contracts with less than one-year arrangements with revenue recognized when a single performance obligation to transfer product under the terms of a contract with a customer is satisfied.
Certain of the Company’s custom chemical contracts within the chemical segment contain a material right, as defined by ASC Topic 606, from the provision of a customer option to purchase future goods or services at a discounted price as a result of upfront payments provided by customers. Each contract also has a performance obligation to transfer products with 30-day payment terms. The Company recognizes revenue when the customer takes control of the inventory, either upon shipment or when the material is made available for pick up. If the customer is deemed to take control of the inventory prior to pick up, the Company recognizes the revenue as a bill-and-hold transaction in accordance with ASC Topic 606. The Company applies the renewal option approach in allocating the transaction price to these material rights and transfer of product. As a basis for allocating the transaction price to the material right and transfer of product, the Company estimates the expected life of the contract, the expected contractual volumes to be sold over that life, and the most likely expected sales price. Each estimate is updated quarterly on a prospective basis.
The Company leases warehouse space under a short-term lease agreement with a term of twelve months. Lease revenue recognized under this agreement was $669 for the year ended December 31, 2024.
Contract Assets and Liabilities:
Contract assets consist of unbilled amounts resulting from revenue recognized through bill-and-hold arrangements. The contract assets for 2024 and 2023 consist of unbilled revenue from one customer and unbilled capital reimbursements from another customer and are recorded as accounts receivable in the consolidated balance sheets. Contract liabilities consist of advance payments related to material rights recorded as deferred revenue in the consolidated balance sheets. Increases to contract liabilities from cash received or due for a performance obligation of chemical segment plant expansions were $0 and $538 in 2024 and 2023, respectively. Contract liabilities are reduced as the Company transfers product to the customer under the renewal option approach. Revenue recognized in the chemical segment from the contract liability reductions were $8,984 and $2,734 in 2024 and 2023, respectively. One contract liability ended in 2024 with additional revenue recognition of $5,492 in 2024. This contract was expected to be negotiated before the end of the year based on a letter of intent and was not renewed. The customer continues to purchase material from the Company on a short-term purchased order basis. Contract asset and liability balances are reported on the consolidated balance sheets on a contract-by-contract basis at the end of each reporting period.
The following table provides the opening and closing balances of receivables, contract assets, and contract liabilities from contracts with customers.
Contract balances
Contract Assets and Liabilities
*Exclusive of the BTC of $6,683, $11,381, and $8,970, respectively, and net of allowances for bad debt of $29, $55, and $48, respectively, as of the dates noted.
Transaction price allocated to the remaining performance obligations
As of December 31, 2024, approximately $3,990 of revenue is expected to be recognized in the future from remaining performance obligations. The Company expects to recognize this revenue ratably based upon the expected sales over the expected term of its long-term contracts which range from two to six years. Approximately 17% of this revenue is expected to be recognized over the next 12 months, and 83% is expected to be recognized between one and five years. These amounts are subject to change based upon changes in the estimated contract life, estimated quantities, and most-likely expected sales price over the contract life. See Note 2 for further information.
Disaggregation of revenue - contractual and non-contractual
Timing of revenue
Bill-and-hold transactions consisted of five specialty chemical customers in 2024 and 2023, and four in 2022, whereby revenue was recognized in accordance with contractual agreements based on product produced, readied for use and loaded into customer provided containers. These sales were subject to written monthly purchase orders with revenue recognized upon production and loading into customer provided containers. The inventory was segregated from other Company inventory as it was custom manufactured and stored at the customer’s request and could not be sold to another buyer. Credit and payment terms for bill-and-hold transactions are similar to other specialty chemical customers. Sales revenue under bill-and-hold arrangements totaled $43,959, $43,766, and $36,805, for the years ended December 31, 2024, 2023, and 2022, respectively. Of the bill-and-hold sales revenue recognized, $7,301, $4,317, and $4,473 had not been shipped for the years ended December 31, 2024, 2023, and 2022, respectively. These balances do not include contract assets that have not been billed or shipped as described above.
The Company’s revenues for the years ended December 31, 2024, 2023 and 2022 attributable to the United States and foreign countries (based upon the billing addresses of its customers) were as follows.
For the years ended December 31, 2024, 2023 and 2022, no revenues from a single foreign country were greater than 1% of total revenues.
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- References No definition available.
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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 5 - Inventory |
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| Inventory Disclosure [Text Block] |
The carrying values of inventory were as follows as of December 31:
A LIFO liquidation of $435 and $2,124 occurred in the years ended December 31, 2024 and 2022, respectively. There was no liquidation in the year ended December 31, 2023.
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- References No definition available.
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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 6 - Derivative Instruments |
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| Derivative Instruments and Hedging Activities Disclosure [Text Block] |
Realized and unrealized gains and losses on derivative instruments and changes in fair value of the derivative instruments are recorded in the consolidated statements of income and comprehensive income as a component of cost of goods sold and amounted to a net loss of $499 for the year ended December 31, 2024, a net gain of $2,571 for the year ended December 31, 2023, and a net loss of $24,360 for the year ended December 31, 2022.
The volumes and carrying values of the Company’s derivative instruments were as follows at December 31:
The margin account maintained with a broker to collateralize these derivative instruments carried an account balance of $877 and $745 at December 31, 2024 and 2023, respectively, and is classified as other current assets in the consolidated balance sheets.
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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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Note 7 - Marketable Securities |
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Dec. 31, 2024 | |||
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| Cash, Cash Equivalents, and Marketable Securities [Text Block] |
At December 31, 2024 and 2023, the Company held no marketable equity or trust preferred (debt) securities. The previous sale of these securities was recorded as a component of net income with a gain of $575 in the year ended December 31, 2023.
For the year ended December 31, 2022, in accordance with ASC 321, the change in the fair value of equity securities (preferred and other equity instruments) was reported as a loss on marketable securities as a component of net income in the amount of $8,297.
In 2023 and 2022, the Company had no recategorized net gain or loss to report from accumulated other comprehensive income.
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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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Note 8 - Fair Value Measurements |
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Dec. 31, 2024 | |||
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| Fair Value Disclosures [Text Block] |
Fair value is defined as the exit price, or the amount that would be received to sell an asset or paid to transfer a liability, in an orderly transaction between market participants as of the measurement date. Fair value accounting pronouncements also include a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability developed based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company’s assumptions about the factors market participants would use in valuing the asset or liability developed based upon the best information available in the circumstances.
Derivative instruments were fair value measurements using inputs considered as Level 1 holdings in the year ended December 31, 2024, as disclosed in Note 6. The Company had no Level 2 or Level 3 securities.
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- References No definition available.
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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Note 9 - Property, Plant, and Equipment |
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| Property, Plant and Equipment Disclosure [Text Block] |
Property, plant, and equipment consisted of the following at December 31:
Depreciation expense totaled $9,208, $10,348, and $10,454 for the years ended December 31, 2024, 2023 and 2022, respectively.
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- References No definition available.
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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Note 10 - Other Assets |
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| Other Assets Disclosure [Text Block] |
Other current assets primarily comprise supplies and parts which are held in support of maintenance and repair of plant equipment. The balance related to these items totaled $7,733 and $7,595 at December 31, 2024 and 2023, respectively.
Other assets primarily comprise supplies and parts which are not expected to be used in the twelve-month period subsequent to the consolidated balance sheet date. The balance related to these items totaled $4,376 and $3,409 at December 31, 2024 and 2023, respectively.
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- References No definition available.
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- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. No definition available.
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Note 11 - Accrued Expenses and Other Current Liabilities |
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| Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] |
Accrued expenses and other current liabilities consisted of the following at December 31:
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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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Note 12 - Borrowings |
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| Debt Disclosure [Text Block] |
On February 21, 2025, the Company, with FutureFuel Chemical Company as the borrower and certain of the Company’s other subsidiaries as guarantors, amended and restated its credit agreement (the “Credit Agreement”) originally entered into on April 16, 2015 and amended March 30, 2020 (as amended, the “Prior Credit Agreement”) and further amended on February 21, 2025 with the lender party thereto, Regions Bank as administrative agent, collateral agent, and syndication agent. The Credit Agreement consists of a five-year revolving credit facility in a dollar amount of up to $75,000, which includes a sublimit of $30,000 for letters of credit and $15,000 for swingline loans (collectively, the “Credit Facility”). The Credit Facility expires on February 21, 2030. The primary amendment from the Prior Credit Agreement was a reduction in the facility’s credit limit by $25,000 and the removal of PNC Bank, N.A., as the syndication agent.
The interest rate floats at the following margins over SOFR or base rate based upon our leverage ratio.
The terms of the Credit Facility contain certain negative covenants and conditions including a maximum consolidated leverage ratio and a minimum consolidated interest coverage ratio.
There were no borrowings under the Prior Credit Agreement at December 31, 2024 or 2023.
At December 31, 2023, the Company had $7 outstanding with a domestic financing company for computer technology under a three-year financing agreement. No balance remained at December 31, 2024.
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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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Note 13 - Asset Retirement Obligations and Environmental Reserves |
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| Asset Retirement Obligation Disclosure [Text Block] |
The Batesville plant generates hazardous and non-hazardous wastes, the treatment, storage, transportation, and disposal of which are regulated by various governmental agencies. In addition, the Batesville plant may be required to incur costs for environmental and closure and post-closure costs under the Resource Conservation and Recovery Act. The Company’s liability for asset retirement obligations and environmental contingencies was $1,466 and $1,431 as of December 31, 2024 and 2023, respectively. These amounts are recorded in other noncurrent liabilities in the accompanying consolidated balance sheets. The accretion expense for 2024, 2023, and 2022 was $35, $35, and $32, respectively. The periodic review of the asset retirement obligation calculations resulted in an addition to the reserve of $0 in 2024, 2023, and 2022.
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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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Note 14 - Lease Commitments and Purchase Obligations |
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| Lessee, Operating Leases [Text Block] |
The Company leased railcars under multi-year arrangements primarily for delivery of feedstock and biodiesel within its biofuels segment. The lease fees were fixed with no option to purchase and no upfront fees or residual value guarantees. All railcar leases were direct, and no subleases existed. The Company determined lease existence and classification at inception when an agreement conveyed the right to control the identified property for a period of time in exchange for consideration. These leases expired December 31, 2024. As operating leases do not provide a readily determinable implicit interest rate, the Company used an incremental borrowing rate based on information available at the commencement date in determining present value of the lease payments.
Following are supplemental income statement and cash flow information related to leases.
On December 31, 2024 and 2023, a right of use asset was reported as other noncurrent assets of $0 and $389, other current liabilities of $0 and $389, and other noncurrent liabilities of $0 and $0, respectively.
Purchase obligations
The Company has entered into contracts for the purchase of goods and services including contracts for feedstocks for biodiesel, expansion of the Company’s specialty chemicals segment, and related infrastructure with less than one-year terms.
The Company holds two non-cancelable obligations for enterprise resource planning and software maintenance with payment obligations as of December 31, 2024 presented as follows.
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- References No definition available.
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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 15 - Income Tax Benefit |
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| Income Tax Disclosure [Text Block] |
The following table summarizes the income tax provision (benefit) for the years ended:
Differences between the income tax provision (benefit) computed using the U.S. federal statutory income tax rate were as follows:
The income tax provision in 2024 was $792 or an effective tax rate of 4.9% as compared to an income tax provision of $1 or an effective tax rate of 0.0% in 2023 and an income tax benefit of $1,473 or an effective tax rate of (10.7%) in 2022.
The Company’s effective tax rates for the years 2024, 2023, and 2022 reflect the positive effect of the BTC and Small Agri-biodiesel Producer Tax Credit. Based on technical guidance from the Internal Revenue Service, the Company excludes the portion of the BTC not used to satisfy excise tax liabilities from income. Both incentives expired in December 2024.
The Company’s 2022 effective tax rate reflects the negative impact to the Company’s overall state income tax position of its 2021 decision to phase out its shipments on the petroleum products common carrier pipelines and the termination of these operations in 2022. This operational change shifts the Company’s business among various states such that its net deferred tax liabilities will be realized at higher rates. Additionally, the Company’s 2024 and 2023 state deferred tax provision reflects one-time benefits from state legislation enacted during these years which apply lower tax rates to future reversals of deferred tax liabilities.
In 2024, the Company determined that its future reversing net deferred tax liabilities would not support full realization of its existing net deferred tax asset and recorded a net deferred tax liability of $773. In 2023 and 2022, the Company determined that its deferred tax assets are realizable only to the extent of its deferred tax liabilities and recorded a valuation allowance that reduces its net deferred tax asset to $0.
The significant components of deferred tax assets and liabilities were as follows as of December 31:
The Company’s federal net operating loss carryforwards at December 31, 2024 do not expire and can be carried forward indefinitely. Utilization of these carryforwards is limited to 80% of taxable income in any given year. State net operating loss carryforwards at December 31, 2024 reflect losses generated in 2020 through 2024 and, if unused, will expire in years 2028 through 2044. Federal and state tax losses are primarily a function of the nontaxable nature of the BTC.
Federal tax credit carryforwards at December 31, 2024 include the Small Agri-biodiesel Producer Credit and Credit for Increasing Research generated in years 2019 through 2024 and expiring in 2039 through 2044. State credit carryforwards comprise Arkansas In-house Research Credits generated in 2019 through 2020 and expiring in 2028 through 2029.
Capital loss and charitable contribution carryforwards were generated in 2020 through 2024 and will expire in 2025 through 2029.
A valuation allowance is recognized if it is more likely than not that some portion or all of the deferred tax assets will not be realized. In assessing the recoverability of its deferred tax assets, the Company evaluates available positive and negative evidence to estimate whether it is more likely than not that sufficient future taxable income will be generated to permit use of the existing deferred tax assets in each taxing jurisdiction. In making this determination, the Company considers positive evidence in the form of projections of future taxable income, reversing temporary differences, and tax planning strategies. In years in which the Company has experienced objective negative evidence in the form of three cumulative years of tax losses, the Company no longer uses taxable income projections to overcome the presumption of losses and deferred tax asset valuations are computed taking into account tax planning strategies and the reversing net deferred tax liability from temporary differences as sources of income.
As of December 31, 2024, the Company determined that its deferred tax liabilities would not be sufficient to support its deferred tax assets and recorded a valuation allowance of $22,385, resulting in a net deferred tax liability of $773. As of December 31, 2023 and 2022, the Company recorded valuation allowances of $14,216 and $7,392, respectively, after determining that its total deferred tax assets are more likely than not realizable only to the extent of its deferred tax liabilities.
There are no unrecognized tax positions as of December 31, 2024, 2023, or 2022, and the Company does not anticipate any change over the next twelve months.
The Company records interest expense (income) and penalties, net, as a component of income tax (benefit) provision and had accrued interest and penalties of $0, $0, and ($95) for December 31, 2024, 2023 and 2022, respectively. Liabilities for accrued interest and tax penalties on unrecognized tax benefits were $0 at December 31, 2024 and 2023, respectively.
The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction and with various state jurisdictions. In general, the Company is subject to U.S., state, and local examinations by tax authorities from 2021 forward.
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- References No definition available.
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- Definition The entire disclosure for income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 16 - Earnings Per Share |
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| Earnings Per Share [Text Block] |
In the years ended December 31, 2024, 2023 and 2022, the Company used the treasury method in computing earnings per share as all shares with participating security holders had vested.
There were 750,000 outstanding restricted stock units (“RSUs”) issued during the year ended December 31, 2024 per the employment agreement with Roeland Polet and the Company. These RSUs, and related dividends, vest in five equal installments on each anniversary of the award date, September 3, 2024. There were no other outstanding RSUs for the year ended December 31, 2024, 2023 and 2022.
Basic and diluted earnings per common share were computed as follows:
Certain options to purchase the Company’s common stock were not included in the computation of diluted earnings per share for the years ended December 31, 2024, 2023, and 2022 because they were anti-dilutive in the period. The weighted number of options excluded on this basis was 44,000, 40,060, and 33,754, respectively.
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- Definition The entire disclosure for earnings per share. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 17 - Stock-based Compensation |
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| Share-Based Payment Arrangement [Text Block] |
The Board of Directors of the Company adopted an omnibus incentive plan which was approved by the shareholders of the Company at its 2017 annual shareholder meeting (the “Incentive Plan”). The purpose of the plan is to:
The Incentive Plan authorizes the Company to issue stock options (including incentive stock options and nonqualified stock options), common stock awards, and stock appreciation rights. Eligible participants in the plan include: (i) members of the Company’s board of directors and its executive officers; (ii) regular, active employees of the Company and any of its subsidiaries; and (iii) persons engaged by the Company or any of its subsidiaries to render services to the Company or its subsidiaries as an advisor or consultant.
Awards under the Incentive Plan are limited to shares of the Company’s common stock, which may be shares acquired by the Company, including shares purchased in the open market, or authorized but un-issued shares. Awards are limited to 10% of the issued and outstanding shares of the Company’s common stock in the aggregate.
The Incentive Plan became effective upon its approval by the Company’s shareholders on September 7, 2017 and continues in effect for a term of ten years thereafter unless amended and extended by the Company or unless otherwise terminated.
The Company recognizes compensation expense in its financial statements for common stock-based options, stock units, and stock awards based upon the grant-date fair value over the requisite service period.
In 2024, the Company issued the following awards under the Incentive Plan:
In 2023, the Company did not make any grants under the Incentive Plan.
In January 2022, the Company granted 24,000 stock options to the former Chief Executive Officer, the Chief Operating Officer at that time. In August 2022, the Company granted a total of 20,000 stock options, respectively, to two new members of the Board of Directors. The January options awarded vested immediately and expire in January 2025 per the separation agreement with the officer. Options awarded in August 2022 vested immediately and expire in August 2027. The options have an exercise price equal to the mean between the highest and lowest quoted sales prices for the Company’s common stock as of the grant date as reported by the New York Stock Exchange. The Company has used the Black Scholes Merton option pricing model, which relies on certain assumptions, to estimate the fair value of the options it granted. The weighted average fair value of options granted was $2.30 per option in 2022.
There were no stock options exercised in 2024, 2023 or 2022.
The assumptions used in the determination of the fair value of the options granted are provided in the following table:
The volatility rate for the options granted in 2024 and 2022 were derived from the historical stock price volatility of the Company’s common stock over the same time period as the expected term of each stock option award. The volatility rate is derived by a mathematical formula using the daily closing stock price data over the expected term.
The expected dividend yield is calculated using the Company’s expected dividend amount at the date of the option grant over the expected term divided by the fair market value of the Company’s common stock.
Forfeitures for RSU grants are recognized as they occur.
For the years ended December 31, 2024, 2023 and 2022, total share-based compensation totaled $636, $0, and $46, respectively. In the years ended December 31, 2024, and 2022, this balance was recorded as an element of selling, general, and administrative expenses. For the year ended December 31, 2024, $277 was recorded as reduction to retained earnings for the forfeitable dividends of the RSUs. As of December 31, 2024 and 2023, there was no unrecognized compensation expense related to stock options. As of December 31, 2024 and 2023, there was unrecognized compensation expense related to restricted stock units of $4,218 and $0, respectively.
A summary of the activity of the Company’s stock options for the period beginning January 1, 2022, and ending December 31, 2024 is presented below.
There were 3,506,324 stock units (options or awards) available for grant under the Incentive Plan. The following table provides the remaining contractual term and weighted average exercise prices of stock options outstanding and exercisable from the Incentive Plan at December 31, 2024.
The aggregate intrinsic value of total options outstanding and exercisable was $0 at December 31, 2024 and 2023. Intrinsic value is the amount by which the last trade price of the common stock closest to December 31, 2024 and 2023 exceeded the exercise price of the options granted.
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- Definition The entire disclosure for share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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Note 18 - Stockholders' Equity |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 | |||
| Notes to Financial Statements | |||
| Equity [Text Block] |
St. Albans Global Management, LLC (“St. Albans”), an entity affiliated with Mr. P. A. Novelly II, a member of the board, is entitled to demand that the Company register under the Securities Act of 1933, as amended, the resale of all shares of the Company’s common stock beneficially owned by it. If St. Albans exercises its registration rights with respect to all 17,085,100 shares of the Company’s common stock currently owned by it, there will be an additional 6,637,600 registered shares of common stock available for trading in the public market.
Dividends payable at December 31, 2024 was $0.06 per common share per quarter or $10,699.
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- References No definition available.
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- Definition The entire disclosure for equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 19 - Employee Benefit Plans |
12 Months Ended | ||
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Dec. 31, 2024 | |||
| Notes to Financial Statements | |||
| Retirement Benefits [Text Block] |
Defined contribution savings plan
The Company currently offers its employees a company 401(k) matching savings plan, which covers substantially all employees. Under this plan, the Company matches the amount of eligible employees’ contributions, subject to specified limits, up to 6% of earnings. Company contributions totaled $2,080, $1,923, and $1,719 for the years ended December 31, 2024, 2023 and 2022, respectively.
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- References No definition available.
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- Definition The entire disclosure for retirement benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 20 - Related Party Transactions |
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| Notes to Financial Statements | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related Party Transactions Disclosure [Text Block] |
The Company enters into transactions with companies affiliated with or controlled by a director or significant stockholder. Revenues, expenses, accounts receivable, prepaid amounts, and unpaid amounts related to these transactions are captured on the consolidated financial statements as related party line items. These related party transactions are summarized in the following table and further described below.
Related party balance sheet accounts
Related party income statement accounts
Biodiesel, petrodiesel, blends, and other petroleum products
The Company enters into agreements to buy and sell biofuels (biodiesel, petrodiesel, biodiesel/petrodiesel blends, RINs, and biodiesel production byproducts) with an affiliate from time to time. Such agreements are priced at the then-current market price of the product as determined from bids from other customers and/or market pricing services. Cost of goods sold related to these sales includes variable costs and allocated fixed costs. The revenue amounts presented in the table above result when the Company sells biodiesel, petrodiesel, blends, and other petroleum products to a related party regardless of who the material was purchased from. Likewise, cost of goods sold amounts result when biodiesel, petrodiesel, blends, and other petroleum products are purchased from a related party regardless of who the material was sold to.
Natural gas purchases
The Company uses natural gas to generate steam for its manufacturing process and to support certain of its air and waste treatment utilities.
Distribution and related services
The Company leases oil storage capacity from an affiliate under a storage and throughput agreement. This agreement provides for the storage of biodiesel, diesel or biodiesel/petrodiesel blends, methanol, and biodiesel feedstocks in above-ground storage tankage at designated facilities of the affiliate. Expenses related to this agreement include monthly lease charges, generally on a per-barrel basis, and associated heating, throughput, and other customary terminalling charges.
Commodity trading advisory fees
The Company entered into a commodity trading advisory agreement with an affiliate. Pursuant to the terms of this agreement, the affiliate provides advice to the Company concerning the purchase, sale, exchange, conversion, and/or hedging of commodities as requested from time to time.
Travel and administrative services
The Company reimburses an affiliate for legal, trading, travel and other administrative services incurred on its behalf. Such reimbursement is performed at cost with the affiliate realizing no profit on the transaction.
Income tax and consulting services
An affiliate provides professional services to the Company, primarily in the area of income tax preparation and consulting. The Company also receives certain finance and accounting expertise from this affiliate as requested. Expenses related to these services comprise an agreed quarterly fee plus reimbursement of expense, at cost and are reported as selling, general, and administrative expenses.
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- References No definition available.
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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Note 21 - Segment Information |
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| Notes to Financial Statements | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting Disclosure [Text Block] |
The Company has two reportable segments organized along similar product lines – chemicals and biofuels. The accounting policies of the segments are the same as those described in the summary of significant accounting policies in Note 2. The chief operating decision maker (“CODM”) is Roeland Polet, the chief executive officer. The CODM reviews the significant components for each of our segments. The CODM evaluates the performance of each reportable segment and decides how to allocate resources based on segment gross profit (loss) which includes the revenue and expenses that are directly attributable to management of each segment. The CODM uses segment gross profit (loss) to assess the income generated by each reportable segment and to decide which reportable segment to reinvest profits or pay dividends. Segment gross profit (loss) is also used to analyze performance against the budget and the Company’s competitors.
Chemicals
The Company’s chemicals segment manufactures diversified chemical products that are sold to third party customers. This segment comprises two product groups: “custom manufacturing” (manufacturing chemicals for specific customers) and “performance chemicals” (multi-customer specialty chemicals). Included in this segment is warehouse lease rental revenue from a warehouse that was originally acquired for chemical storage.
Biofuels
The Company’s biofuels segment manufactures and markets biodiesel. Biodiesel revenues are generated through the sale of biodiesel to customers through the Company’s distribution network at the Batesville plant, through distribution facilities available at leased oil storage facilities, and through a network of remotely located tanks. Results of the biofuels business segment also reflect the sale of biodiesel blends with petrodiesel, petrodiesel with no biodiesel added, RINs, biodiesel production byproducts, and revenue and profits from Legacy Regional Transport.
Summary of business by segment
Depreciation is allocated to segment cost of goods sold based on plant usage. Total assets and capital expenditures of the Company have not been allocated to individual segments as large portions of these assets are shared to varying degrees by each segment, causing such an allocation to be of little value.
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- References No definition available.
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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Note 22 - Legal Proceedings |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 | |||
| Notes to Financial Statements | |||
| Legal Matters and Contingencies [Text Block] |
The Company is not a party to, nor is any of its property subject to, any material pending legal proceedings, other than ordinary routine litigation incidental to its business. However, from time to time, the Company may be a party to, or a target of, lawsuits, claims, investigations, and proceedings, including product liability, personal injury, asbestos, patent and intellectual property, commercial, contract, environmental, antitrust, health and safety, and employment matters, which the Company expects to be handled and defended in the ordinary course of business. While the Company is unable to predict the outcome of any matters currently pending, the Company does not believe that the ultimate resolution of any such pending matters will have a material adverse effect on its overall financial condition, results of operations, or cash flows. However, adverse developments could negatively impact earnings or cash flows in future periods.
During the year ended December 31, 2024, the Company resolved a prior-year legal dispute which resulted in a cash payment of $2,750 to FutureFuel which is reflected in Other (expense) income in the Consolidated Statements of Income and Comprehensive Income in the twelve months ended December 31, 2024. |
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- References No definition available.
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- Definition The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Note 23 - Subsequent Event |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 | |||
| Notes to Financial Statements | |||
| Subsequent Events [Text Block] |
The Company evaluated subsequent events that would require an adjustment to the Company’s consolidated financial statements or require disclosure in the notes to the consolidated financial statements through the date of issuance of the consolidated financial statements. Where applicable, the notes to these consolidated financial statements have been updated to discuss significant subsequent events which have occurred, except as disclosed below.
A vendor's late delivery of essential wastewater management infrastructure caused the Company in January 2025 to halt its biodiesel production to manage wastewater processing within our permit limits. Consequently, the Company decided to move up its planned turnaround, initially scheduled for later in the year, and began this process in early January 2025. Subsequently, in late February, severe inclement weather impacted the Company's ability to complete the turnaround and restart the various production processes it operates in Batesville. Biodiesel production will likely not restart until the end of March 2025 at the earliest.
On February 21, 2025, the Company, amended and restated its credit agreement as detailed in Note 12.
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| X | ||||||||||
- References No definition available.
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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Significant Accounting Policies (Policies) |
12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2024 | |||||||||||||||||||||
| Accounting Policies [Abstract] | |||||||||||||||||||||
| Basis of Accounting, Policy [Policy Text Block] | Financial Presentation
The consolidated financial statements of FutureFuel Corp. and subsidiaries are prepared in conformity with accounting principles generally accepted in the United States (“GAAP”) and include amounts that are based upon management estimates and judgments which could differ from actual future results. Intercompany transactions and balances are eliminated in consolidation. Certain reclassifications were made to prior year amounts to conform to the 2024 presentation. |
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| Change in Accounting Principle [Policy Text Block] | Change in Accounting Principle
As of December 31, 2024, we changed the accounting principle related to the presentation for supplies and parts held in support of maintenance and repair of plant equipment from Inventory to Other current assets. As the investment in these supplies and parts has increased given our focus on plant reliability and efficiency as well as the fact that these parts are not revenue generating assets similar to the Company’s raw materials, work in process, and finished goods inventories but are instead held to support the maintenance and repair of the Company’s plant equipment, we determined it preferable to present these supplies and parts held within other current assets rather than inventory, which is composed of assets that may be sold or turned into assets to be sold as part of the Company’s primary business activities. The change in accounting principle was a reduction in inventory and an increase in other current assets of $7,733 and $7,595 at December 31, 2024 and 2023, respectively. There was no impact on any financial statement totals or key benchmarks (working capital, total assets, equity, gross profit, net income, or operating cash flows). |
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| Cash and Cash Equivalents, Policy [Policy Text Block] | Cash and cash equivalents
Cash equivalents consist of highly liquid investments with original maturities of three months or less and are carried at cost, which approximates fair value. The Company places its temporary cash investments with high credit quality financial institutions. At times, bank deposits may be in excess of the Federal Deposit Insurance Corporation insurance limit, however, no loss has occurred. |
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| Receivable [Policy Text Block] | Accounts receivable and allowance for credit losses
Accounts receivable are recorded at the invoiced amount and only bear interest if outstanding beyond the agreed upon payment terms. The Company has established procedures to monitor credit risk and has not experienced significant credit losses in prior years. Accounts receivable have been reduced by an allowance for amounts that may be uncollectible in the future. This estimated allowance is based upon management’s evaluation of historical collection experience, current and future economic and market conditions, and a review of the status of individual accounts receivable. Write-offs are recorded at the time a customer receivable is deemed uncollectible. |
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| Concentration Risk, Credit Risk, Policy [Policy Text Block] | Customer concentrations
For the years ended December 31, 2024, 2023 and 2022, significant portions of the Company’s sales were made to a relatively small number of customers. Sales to two biodiesel customers totaled 25%, 35%, and 27% of revenue in 2024, 2023, and 2022, respectively. Receivables for the significant customers at December 31, 2024 and 2023, were 13% and 0.2% of total receivables, respectively.
For the years ended December 31, 2024, 2023, and 2022, no chemical customer represented a greater than 10% of total sales revenue. However, one chemical customer had a receivable that was 20% of total receivables as of December 31, 2024.
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| Inventory, Policy [Policy Text Block] | Inventory
Inventories are valued at the lower of cost or market or net realizable value. The Company determines the cost of raw materials, work in process, and finished goods inventories by the last-in, first-out (“LIFO”) method. The cost of all other inventories is determined by the average cost method, which approximates the first-in, first-out ("FIFO") method. The Company writes-down its inventories for estimated obsolescence or unmarketable inventory equal to the difference between the carrying value of inventory and the estimated market value based upon assumptions about future demand and market conditions. |
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| Derivatives, Policy [Policy Text Block] | Derivative instruments
The Company records all derivative instruments at fair value. Fair value is determined by using the closing prices of the derivative instruments on the New York Mercantile Exchange at the end of an accounting period. Changes in the fair value of derivative instruments are recognized at the end of each accounting period and recorded in the consolidated statements of income and comprehensive income as a component of cost of goods sold.
In order to manage commodity price risk caused by market fluctuations in biofuel prices, future purchases of feedstock used in biodiesel production, physical feedstock, finished product inventories attributed to the process, and other petroleum products purchased or sold, the Company may enter into exchange-traded commodity futures and options contracts. The Company accounts for these derivative instruments in accordance with Accounting Standards Codification (“ASC”) 815-20-25, Derivatives and Hedging. Under this standard, the accounting for changes in the fair value of a derivative instrument depends upon whether it has been designated as an accounting hedging relationship and, further, on the type of hedging relationship. To qualify for designation as an accounting hedging relationship, specific criteria must be met and appropriate documentation maintained. The Company had no derivative instruments that qualified under these rules as designated accounting hedges in 2024, 2023, or 2022. See Note 6 - Derivative Instruments. The Company has elected the normal purchase and normal sales exception for certain feedstock purchase contracts and supply agreements and for certain biodiesel sales contracts. |
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| Marketable Securities, Policy [Policy Text Block] | Marketable securities
Investments consist of marketable equity and debt securities stated at fair value. The debt securities are designated as available-for-sale securities at the time of purchase based upon the intended holding period. Gains and losses from the sale of marketable securities and the changes in the fair value of equity securities are recognized as gain (loss) on marketable securities as a component of other income (expense) in the consolidated statements of income and comprehensive income. The cost basis used for all marketable securities is specific identification. Changes in the fair value of debt securities are recognized in accumulated other comprehensive income on the consolidated balance sheets, unless the Company determines that an unrealized loss will not be recovered before it is sold, in which case, the Company will recognize the loss as a component of other income (expense).
See Notes 7 and 8 for further information on marketable securities and fair value measurements. |
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| Inventory Supplies, Policy [Policy Text Block] | Supplies and parts
Supplies and parts are carried at cost in Other current assets and Other assets. The Company writes-down its supplies and parts for estimated obsolescence and amounts determined to be in excess of expected needs. |
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| Property, Plant and Equipment, Policy [Policy Text Block] | Property, plant, and equipment, net
Property, plant, and equipment, net is carried at cost less accumulated depreciation. Maintenance and repairs are charged to earnings; replacements and betterments are capitalized. When the Company retires or otherwise disposes of an asset, it removes the cost of such asset and related accumulated depreciation from the accounts. The Company records any profit and loss on retirement or other disposition in earnings.
Depreciation expense is calculated based on historical cost and the estimated useful lives of the assets, generally using the straight-line method with the following useful lives:
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| Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] | Impairment of assets
The Company evaluates the carrying value of long-lived tangible assets when events or changes in circumstances indicate that the carrying value may not be recoverable. Such events and circumstances include, but are not limited to, significant decreases in the market value of the asset, adverse changes in the extent or manner in which the asset is being used, significant changes in business climate, or current or projected cash flow losses associated with the use of the assets. The carrying value of a long-lived asset is considered impaired when the total projected undiscounted cash flows from such assets are separately identifiable and are less than its carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair value of the long-lived asset. For long-lived assets to be held for use in future operations, fair value is determined primarily using either the projected cash flows discounted at a rate commensurate with the risk involved or an appraisal. For long-lived assets to be disposed of by sale or other than sale, fair value is determined in a similar manner, except those fair values are reduced for disposal costs. |
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| Asset Retirement Obligation [Policy Text Block] | Asset retirement obligations and environmental costs
The Company establishes reserves for closure/post-closure costs associated with the environmental and other assets it maintains, which include, but are not limited to, waste management units, such as a chemical waste destructor, storage tanks, and boilers. When these types of assets are constructed or installed, a liability is established with a corresponding asset for the future costs anticipated to be associated with the closure of the site based on an expected life of the environmental assets, the applicable regulatory closure requirements, and the Company’s environmental policies and practices. These expenses are charged into earnings over the estimated useful life of the assets. Currently, the Company estimates the useful life of each individual asset up to 27 years. Changes made in estimates of the asset retirement obligation costs or the estimate of the useful lives of these assets are reflected in earnings as an increase or decrease in the period such changes are made.
Environmental costs are capitalized if they extend the life of the related property, increase its capacity, and/or mitigate or prevent future contamination. The cost of operating and maintaining environmental control facilities is charged to expense. |
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| Lessee, Leases [Policy Text Block] | Leases
Leases with an initial expected term of twelve months or less are considered short-term and are not recorded on our consolidated balance sheets. The Company recognizes operating lease expense on a straight-line basis over the lease term. |
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| Commitments and Contingencies, Policy [Policy Text Block] | Litigation
The Company and its operations from time to time may be parties to or targets of lawsuits, claims, investigations, and proceedings including product liability, personal injury, patent and intellectual property, commercial, contract, environmental, health and safety, and environmental matters, which are handled and defended in the ordinary course of business. The Company accrues a liability for such matters when it is probable that a liability has been incurred and the amount can be reasonably estimated. When a single amount cannot be reasonably estimated but the cost can be estimated within a range, the Company accrues the minimum amount. |
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| Revenue from Contract with Customer [Policy Text Block] | Revenue recognition
In accordance with ASC Topic 606, Revenue from Contracts with Customers, the Company recognizes revenue when performance obligations of the customer contract are satisfied. The Company sells to customers through master sales agreements or standalone purchase orders. The majority of the Company’s revenue is from short-term contracts with revenue recognized when a single performance obligation to transfer product under the terms of a contract with a customer is satisfied. Accordingly, the Company recognizes revenue when control is transferred to the customer, which is when products are considered to meet customer specification per the customer contract and title and risk of loss are transferred. This typically occurs at the time of shipment or delivery; or for certain contracts, this occurs upon delivery of the material to a Company storage location, ready for customer pickup and separated from other Company inventory. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products and is generally based upon a negotiated price. The Company sells its products directly to customers generally under agreements with payment terms of 30 to 75 days for chemical segment customers and 2 to 10 days for biofuels segment customers.
The Company applies the practical expedient and excludes the value of unsatisfied performance obligations for (i) contracts with an original expected length of one year or less; and (ii) contracts for which the Company recognizes revenue at the amount to which the Company has the right to invoice for services performed.
Revenue within the biofuel segment includes revenue from biodiesel RINs. RINs are renewable identification numbers under the Renewable Fuel Standard (“RFS2”) used to incent the use of renewable fuels domestically. RINs are generated at 1.5 RINs per gallon of biodiesel produced and sold. Revenue is recognized from RINs when transferred to the buyer in the government provided tracking system. No cost is incurred in the generation of a RIN.
Taxes collected from customers remitted to governmental authorities are excluded from revenue. Shipping and handling fees related to sales transactions are billed to customers and recorded as sales revenue. |
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| Cost of Goods and Service [Policy Text Block] | Cost of goods sold and distribution
Cost of goods sold consists of raw and packaging materials, direct manufacturing costs, depreciation, analytical lab costs, inbound freight, purchasing, and other indirect costs necessary to manufacture products. Biodiesel cost of goods sold also includes a credit for the one dollar per gallon Blenders’ Tax Credit (“BTC”) for blending biodiesel with petroleum diesel when in law. The BTC was in effect during 2024, 2023, and 2022. See Note 3 for further discussion.
Distribution expense includes outbound freight costs, depreciation of distribution equipment, and other indirect costs necessary to distribute product. |
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| Selling, General and Administrative Expenses, Policy [Policy Text Block] | Selling, general, and administrative expenses
Selling, general, and administrative expenses include personnel costs associated with sales, marketing, and administration; legal and related costs; consulting and professional service fees; advertising expenses; and other similar costs. |
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| Research and Development Expense, Policy [Policy Text Block] | Research and development expenses
Research and development expenses include direct salaries, depreciation of equipment, material expenditures, contractor fees, and other indirect costs. All costs identified as research and development costs are charged to expense when incurred. |
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| Comprehensive Income, Policy [Policy Text Block] | Comprehensive income
Comprehensive income is comprised of net income and other comprehensive income (loss) (“OCI”). Comprehensive income comprises all changes in stockholders’ equity from transactions and other events and circumstances from non-owner sources. The Company’s OCI comprises unrealized gains and losses resulting from its investments in marketable debt securities classified as available-for-sale (see Note 7).
Unrealized gains and losses were determined using the specific identification method and are classified in OCI. |
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| Income Tax, Policy [Policy Text Block] | Income taxes
The income tax (benefit) provision is determined using the asset and liability approach of accounting for income taxes. Under this approach, deferred taxes represent the future tax consequences expected to occur when the reported amounts of assets and liabilities are recovered or paid. The provision for (benefit from) income taxes represent income taxes paid or payable for the current year plus the change in deferred taxes during the year. Deferred taxes result from differences between the financial and tax bases of the Company’s assets and liabilities and are adjusted for changes in tax rates and tax laws when changes are enacted.
A tax valuation allowance is recognized if it is more likely than not that some portion or all of the deferred tax assets will not be realized. In assessing the recoverability of its deferred tax assets, the Company evaluates available positive and negative evidence to estimate whether it is more likely than not that sufficient future taxable income will be generated to permit use of the existing deferred tax assets in each taxpaying jurisdiction. In making this determination, the Company considers positive evidence in the form of projections of future taxable income, reversing temporary differences, and tax planning strategies. In years in which the Company has experienced objective negative evidence in the form of three cumulative years of tax losses, the Company no longer uses taxable income projections to overcome the presumption of losses and deferred tax asset valuations are computed using only the reversing net deferred tax liability from temporary differences as a source of income. |
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| New Accounting Pronouncements, Policy [Policy Text Block] | Issued accounting standards not yet adopted
Accounting Standards Update (“ASU”) No. 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures: The Financial Accounting Standards Board (“FASB”) issued this update in December 2023 which aims to address requests for improved income tax disclosures from investors that use the financial statements to make capital allocation decisions. The amendments in this ASU address the investor requests for more transparency of income tax information and apply to all entities that are subject to income taxes. The ASU is effective for years beginning after December 15, 2024, but early adoption is permitted. This ASU should be applied on a prospective basis, although retrospective application is permitted. The Company will adopt the new standard effective for the year ended December 31, 2025, and does not expect the adoption to have a material impact on its financial statements and disclosures.
ASU No. 2024-03 Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses: The FASB issued this update in November 2024 which aims to provide investors with more useful information about an entity’s expenses by improving disclosures on income statement expenses. The amendments in this ASU require all public business entities to disclose disaggregated information about specific categories underlying certain income statement expense line items. The amendments in this ASU are effective for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is evaluating this accounting standard and does not expect the adoption to have a material impact on its financial statements and disclosures.
Recently adopted accounting standards
ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures: The FASB issued this update in November 2023 which aims to improve disclosures about a public entity’s reportable segments. These changes affect the Company’s segment reporting beginning with the Annual Report for the year ended December 31, 2024, and are applied retrospectively to all prior periods presented. The amendments in this ASU require public business entities to disclose, on an annual and interim basis, significant segment expenses that are regularly provided to the chief operating decision maker and are included within each reported measure of segment profit or loss. This update does not change how an entity identifies or aggregates its reportable segments or how it applies the quantitative thresholds to determine them. The adoption of this ASU had a minimal impact on the Company’s financial statements and related disclosures. |
| X | ||||||||||
- Definition Accounting policy describing the change in accounting principle. No definition available.
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- References No definition available.
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- Definition Disclosure of accounting policy for legal obligation associated with retirement of long-lived asset that results from acquisition, construction, or development or from normal operation of long-lived asset. Excludes environmental remediation liability from improper or other-than-normal operation of long-lived asset, obligation arising in connection with leased property that meets definition of lease payments or variable lease payments and from plan to sell or otherwise dispose of a long-lived asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). No definition available.
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- Definition Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Disclosure of accounting policy for commitments and contingencies, which may include policies for recognizing and measuring loss and gain contingencies. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of accounting policy for comprehensive income. No definition available.
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- Definition Disclosure of accounting policy for credit risk. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Disclosure of accounting policy for cost of product sold and service rendered. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Disclosure of accounting policy for its derivative instruments and hedging activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of accounting policy for the basis and manner that goods are added and removed from inventory for supplies to be consumed directly or indirectly in production. If inventory is carried at cost, this disclosure includes the nature of the cost elements included in inventory and how cost is determined (such as FIFO, LIFO, average). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Disclosure of accounting policy for leasing arrangement entered into by lessee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Disclosure of accounting policy for investment classified as marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. No definition available.
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- Definition Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Disclosure of accounting policy for revenue from contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of accounting policy for inclusion of significant items in the selling, general and administrative (or similar) expense report caption. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Note 2 - Significant Accounting Policies and Basis of Presentation (Tables) |
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| Property Plant And Equipment Estimated Useful Lives [Table Text Block] |
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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). No definition available.
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- References No definition available.
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Note 4 - Revenue Recognition (Tables) |
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| Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
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| Disaggregation of Revenue [Table Text Block] |
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| Revenue from External Customers by Geographic Areas [Table Text Block] |
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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Note 5 - Inventory (Tables) |
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| Schedule of Inventory, Current [Table Text Block] |
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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Note 6 - Derivative Instruments (Tables) |
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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Note 9 - Property, Plant, and Equipment (Tables) |
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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Note 11 - Accrued Expenses and Other Current Liabilities (Tables) |
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| Schedule of Accrued Liabilities [Table Text Block] |
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- Definition Tabular disclosure of the components of accrued liabilities. No definition available.
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- References No definition available.
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Note 12 - Borrowings (Tables) |
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| Schedule of Long-Term Debt Instruments [Table Text Block] |
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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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Note 14 - Lease Commitments and Purchase Obligations (Tables) |
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| Contractual Obligation, Fiscal Year Maturity [Table Text Block] |
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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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Note 15 - Income Tax Benefit (Tables) |
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| Notes Tables | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
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| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
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| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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Note 16 - Earnings Per Share (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2024 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes Tables | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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Note 17 - Stock-based Compensation (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
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| Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
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| Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] |
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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Note 20 - Related Party Transactions (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Condensed Balance Sheet [Table Text Block] |
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| Condensed Income Statement [Table Text Block] |
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- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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Note 21 - Segment Information (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The number of major customers of the Company. No definition available.
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| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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Note 2 - Significant Accounting Policies and Basis of Presentation - Estimated Useful Lives of Property, Plant, and Equipment (Details) |
Dec. 31, 2024 |
|---|---|
| Building and Building Improvements [Member] | Minimum [Member] | |
| Estimated useful life (Year) | 20 years |
| Building and Building Improvements [Member] | Maximum [Member] | |
| Estimated useful life (Year) | 39 years |
| Machinery and Equipment [Member] | Minimum [Member] | |
| Estimated useful life (Year) | 3 years |
| Machinery and Equipment [Member] | Maximum [Member] | |
| Estimated useful life (Year) | 33 years |
| Transportation Equipment [Member] | Minimum [Member] | |
| Estimated useful life (Year) | 5 years |
| Transportation Equipment [Member] | Maximum [Member] | |
| Estimated useful life (Year) | 33 years |
| Other Capitalized Property Plant and Equipment [Member] | Minimum [Member] | |
| Estimated useful life (Year) | 5 years |
| Other Capitalized Property Plant and Equipment [Member] | Maximum [Member] | |
| Estimated useful life (Year) | 33 years |
| X | ||||||||||
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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Note 3 - Government Tax Credits (Details Textual) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Small Agri Biodiesel Producers Credit [Member] | |||
| Benefit From Tax Credit, Pretax | $ 1.5 | $ 1.5 | $ 1.5 |
| X | ||||||||||
- Definition The pretax amount of benefit that is expected to be recognized from a tax credit. No definition available.
|
| X | ||||||||||
- Details
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Note 4 - Revenue Recognition 1 (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Short-Term Lease, Cost | $ 6 | $ 8 | $ 31 |
| Increase (Decrease) in Contract with Customer, Liability | (9,205) | (2,418) | (4,055) |
| Contract with Customer, Liability, Revenue Recognized | 8,984 | 2,734 | |
| Contract with Customer, Performance Obligation Satisfied in Previous Period | 5,492 | ||
| Accounts Receivable, Blenders' Tax Credit | 6,683 | 11,381 | 8,970 |
| Accounts Receivable, Allowance for Credit Loss | 29 | 55 | 48 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 243,339 | 368,250 | 396,014 |
| Bill and Hold Arrangements [Member] | Four Customers [Member] | |||
| Revenue from Contract with Customer, Excluding Assessed Tax | 43,959 | 43,766 | 36,805 |
| Contract with Customer, Liability | 7,301 | 4,317 | $ 4,473 |
| Chemicals [Member] | |||
| Increase (Decrease) in Contract with Customer, Liability | 0 | $ 538 | |
| Warehouse Space [Member] | |||
| Short-Term Lease, Cost | $ 669 | ||
| X | ||||||||||
- Definition The amount of blenders' tax credit attributable to accounts receivable. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 4 - Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
||
|---|---|---|---|---|---|
| Trade receivables, included in accounts receivable* | [1] | $ 14,991 | $ 15,897 | $ 16,459 | |
| Contract assets, included in accounts receivable | 222 | 1,128 | 775 | ||
| Contract liabilities, included in Deferred revenue - short-term | 697 | 3,656 | 3,565 | ||
| Contract liabilities, included in Deferred revenue - long-term | $ 3,293 | $ 9,318 | $ 11,605 | ||
| |||||
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 4 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Revenue | $ 243,339 | $ 368,250 | $ 396,014 |
| Revenue from non-contractual arrangements | 222 | 222 | 222 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 243,339 | 368,250 | 396,014 |
| Bill and Hold Revenue [Member] | |||
| Revenue | 43,959 | 43,766 | 36,805 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 43,959 | 43,766 | 36,805 |
| Non-bill and Hold Revenue [Member] | |||
| Revenue | 199,380 | 324,484 | 359,209 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 199,380 | 324,484 | 359,209 |
| Long-term Contract Revenue [Member] | |||
| Revenue | 21,887 | 37,055 | 33,686 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 21,887 | 37,055 | 33,686 |
| Short-term Contract Revenue [Member] | |||
| Revenue | 221,230 | 330,973 | 362,106 |
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 221,230 | $ 330,973 | $ 362,106 |
| X | ||||||||||
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 4 - Revenue Recognition - Revenues Based Upon the Billing Addresses of Customers (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Revenue | $ 243,339 | $ 368,250 | $ 396,014 |
| UNITED STATES | |||
| Revenue | 242,685 | 367,368 | 394,671 |
| Non-US [Member] | |||
| Revenue | $ 654 | $ 882 | $ 1,343 |
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 5 - Inventory (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Effect of LIFO Inventory Liquidation on Income | $ 435 | $ 0 | $ 2,124 |
| X | ||||||||||
- Definition The effect of liquidating LIFO (last in first out) inventory layers on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 5 - Inventory - Carrying Values of Inventory (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Finished goods | $ 10,809 | $ 16,235 |
| Work in process | 872 | 611 |
| Raw materials | 15,335 | 17,937 |
| Inventory, Gross | 27,016 | 34,783 |
| LIFO reserve | (6,373) | (9,400) |
| Total inventory | $ 20,643 | $ 25,383 |
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
Note 6 - Derivative Instruments (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ (499) | $ 2,571 | $ (24,360) |
| Restricted Cash and Cash Equivalents | $ 877 | $ 745 | |
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 6 - Derivative Instruments - Carrying Value of Derivative Instruments (Details) - Future [Member] Pure in Thousands, $ in Thousands |
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
|---|---|---|
| Regulated fixed price future commitments, included in other current assets (in thousand barrels) | 100 | 354 |
| Regulated fixed price future commitments, included in other current assets (in thousand barrels) | $ (235) | $ 1,736 |
| X | ||||||||||
- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of derivative instruments of a particular derivative liability or group of derivative liabilities held by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
Note 7 - Marketable Securities (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Marketable Security, Gain (Loss) | $ 0 | $ 575 | $ (8,546) |
| Equity Securities, FV-NI, Unrealized Gain (Loss), Total | (0) | 3,117 | $ (8,297) |
| Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) on investment in marketable security. No definition available.
|
| X | ||||||||||
- Definition Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
Note 9 - Property, Plant, and Equipment (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Depreciation | $ 9,208 | $ 10,348 | $ 10,454 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
Note 9 - Property, Plant, and Equipment - Property, Plant, and Equipment Summary (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Land and land improvements | $ 5,967 | $ 6,044 |
| Buildings and building equipment | 29,031 | 27,182 |
| Machinery and equipment | 191,868 | 188,794 |
| Construction in progress | 9,625 | 1,809 |
| Accumulated depreciation | (157,953) | (151,118) |
| Total | $ 78,538 | $ 72,711 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before accumulated depreciation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
Note 10 - Other Assets (Details Textual) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Other Assets, Current | $ 8,675 | $ 11,014 |
| Other Assets, Noncurrent | 4,367 | 3,824 |
| Other Assets [Member] | ||
| Other Assets, Noncurrent | 4,376 | 3,409 |
| Supplies and Parts [Member] | ||
| Other Assets, Current | $ 7,733 | $ 7,595 |
| X | ||||||||||
- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 11 - Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Refundable deposit | $ 6,500 | $ 0 |
| Employment tax credit | 1,856 | 0 |
| Accrued employee liabilities | 1,743 | 2,179 |
| Accrued property, franchise, motor fuel and other taxes | 881 | 1,346 |
| Lease liability, current | 0 | 389 |
| Other current liabilities | 102 | 844 |
| Total | $ 11,082 | $ 4,758 |
| X | ||||||||||
- Definition The value of the employee tax credits. No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
Note 12 - Borrowings (Details Textual) - Regions Bank and PNC Bank N.A. [Member] - Revolving Credit Facility [Member] - USD ($) |
Feb. 19, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Long-term Line of Credit, Total | $ 0 | $ 0 | |
| Long-Term Debt | $ 0 | $ 7,000 | |
| Subsequent Event [Member] | |||
| Line of Credit Facility, Expiration Period (Year) | 5 years | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 75,000 | ||
| Line of Credit Facility Sublimit for Letters of Credit | 30,000,000 | ||
| Line of Credit Facility Swingline Loans | 15,000,000 | ||
| Line of Credit Facility, Increase (Decrease) in Maximum Borrowing Amount | $ (25,000,000) |
| X | ||||||||||
- Definition The amount of increase (decrease) in the maximum borrowing amount of a line of credit facility. No definition available.
|
| X | ||||||||||
- Definition Represents the sublimit for letters of credit under the credit facility. No definition available.
|
| X | ||||||||||
- Definition Represents the amount of swingline loans that can be granted under the credit facility. No definition available.
|
| X | ||||||||||
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition Leverage ratio upon which the interest is determined. No definition available.
|
| X | ||||||||||
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
|
| X | ||||||||||
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 13 - Asset Retirement Obligations and Environmental Reserves (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Asset Retirement Obligation | $ 1,466 | $ 1,431 | |
| Asset Retirement Obligation, Accretion Expense | 35 | 35 | $ 32 |
| Asset Retirement Obligation, Revision of Estimate | $ 0 | $ 0 | $ 0 |
| X | ||||||||||
- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 14 - Lease Commitments and Purchase Obligations (Details Textual) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Operating Lease, Right-of-Use Asset | $ 0 | $ 389 |
| Operating Lease, Liability, Current | 0 | 389 |
| Operating Lease, Liability, Noncurrent | $ 0 | $ 0 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | Other Assets, Noncurrent |
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities, Current | Accrued Liabilities, Current |
| Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent |
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes current operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes noncurrent operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes operating lease right-of-use asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 14 - Lease Commitments and Purchase Obligations - Lease Cost (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Operating lease expense | $ 534 | $ 881 | $ 862 |
| Short-term lease expense | 6 | 8 | 31 |
| Cash paid for operating leases | 534 | 881 | 862 |
| Noncash operating leases | $ 0 | $ 0 | $ 707 |
| Weighted average discount rate, per annum | 5.50% | 5.20% | |
| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
Note 14 - Lease Commitments and Purchase Obligations - Payment Obligations (Details) $ in Thousands |
Dec. 31, 2024
USD ($)
|
|---|---|
| Less than 1 year | $ 869 |
| 1-3 years | 418 |
| 4-5 years | 137 |
| Total | $ 1,424 |
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the fourth, and fifth fiscal years following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the second, third, fiscal years following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. No definition available.
|
| X | ||||||||||
- Definition Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
|
Note 15 - Income Tax Benefit (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Income Tax Expense (Benefit) | $ 792 | $ 1 | $ (1,473) |
| Effective Income Tax Rate Reconciliation, Percent | 4.90% | 0.00% | (10.70%) |
| Deferred Tax Liabilities, Net | $ 773 | $ (0) | |
| Operating Loss Carryforward, Percent Limited to Taxable Income | 80.00% | ||
| Deferred Tax Assets, Valuation Allowance | $ 22,385 | 14,216 | $ 7,392 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 0 | 0 | $ (95) |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Percent of net carryforward loss limited to taxable income in any given year. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
Note 15 - Income Tax Benefit - Summary of Provisions for Income Taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Income before taxes - U.S. | $ 16,295 | $ 37,383 | $ 13,738 |
| Current | 0 | 0 | 290 |
| Deferred | 477 | 0 | (1,998) |
| Current | 19 | 1 | 60 |
| Deferred | 296 | 0 | 175 |
| Total | $ 792 | $ 1 | $ (1,473) |
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
Note 15 - Income Tax Benefit - Effective Income Tax Rate Reconciliation (Details) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Amount computed using the statutory rate of 21% for 2024, 2023, and 2022 | 21.00% | 21.00% | 21.00% |
| Agri-biodiesel production credit | (7.30%) | (3.20%) | (8.60%) |
| Federal BTC benefit | (58.20%) | (32.30%) | (76.20%) |
| State BTC benefit | (8.20%) | (4.40%) | (7.00%) |
| Credit for increasing research activities | (1.30%) | (0.50%) | (1.00%) |
| Dividends received deduction | 0.00% | (0.10%) | (1.60%) |
| Capital loss carryforward expirations | 1.90% | 0.00% | 0.00% |
| State income taxes, net | 2.40% | 2.30% | 5.10% |
| State rate change and other deferred adjustments | 1.20% | (1.00%) | 3.60% |
| State loss carryforward expirations | 2.60% | 0.00% | 0.00% |
| Valuation allowance for deferred tax assets | 50.10% | 18.20% | 53.80% |
| Other | 0.70% | 0.00% | 0.20% |
| Income tax provision (benefit) | 4.90% | 0.00% | (10.70%) |
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to capital loss carryforward expirations. No definition available.
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state changes in the income tax rates. No definition available.
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state loss carryforward expirations. No definition available.
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to federal BTC tax credit. No definition available.
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state BTC. No definition available.
|
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from capitalized research and development. No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution and capital loss carryforwards. No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible federal research tax credit carryforwards. No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state research tax credit carryforwards. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
Note 16 - Earnings Per Share (Details Textual) - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Share-Based Payment Arrangement, Option [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 44,000 | 40,060 | 33,754 |
| Restricted Stock Units (RSUs) [Member] | Employee Agreement [Member] | Roeland Polet [Member] | |||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in shares) | 750,000 | ||
| Restricted Stock Units (RSUs) [Member] | Other Plans [Member] | |||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in shares) | 0 | 0 | 0 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 16 - Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Net income | $ 15,503 | $ 37,382 | $ 15,211 |
| Weighted average shares outstanding – basic (in shares) | 43,765,757 | 43,763,243 | 43,763,243 |
| Stock options (in shares) | 1,440 | 246 | |
| Weighted average shares outstanding – diluted (in shares) | 43,765,757 | 43,764,683 | 43,763,489 |
| Basic (in dollars per share) | $ 0.35 | $ 0.85 | $ 0.35 |
| Diluted (in dollars per share) | $ 0.35 | $ 0.85 | $ 0.35 |
| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Share based compensation arrangement by share based payment award award term. No definition available.
|
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock. No definition available.
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 17 - Stock-based Compensation - Assumptions Used in the Determination of the Fair Value of the Options Granted (Details) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2022 |
|
| January 2020 Options [Member] | ||
| Expected volatility rate | 49.06% | |
| Expected dividend yield | 3.69% | |
| Risk-free interest rate | 4.25% | |
| Expected forfeiture rate | 0.00% | |
| Expected term in years (Year) | 2 years 3 months 18 days | |
| October 2018 Options [Member] | ||
| Expected volatility rate | 56.61% | |
| Expected dividend yield | 3.34% | |
| Risk-free interest rate | 3.20% | |
| Expected forfeiture rate | 0.00% | |
| Expected term in years (Year) | 2 years 3 months 18 days | |
| X | ||||||||||
- Definition The expected forfeiture rate of options. No definition available.
|
| X | ||||||||||
- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
Note 17 - Stock Based Compensation - Stock Option Activity (Details) - $ / shares |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Outstanding (in shares) | 34,000 | 44,000 | 24,000 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 9.13 | $ 10.74 | $ 13.71 | |
| Granted (in shares) | 20,000 | 20,000 | 0 | 20,000 |
| Granted, weighted average exercise price (in dollars per share) | $ 6.64 | $ 0 | $ 7.18 | |
| Exercised (in shares) | 0 | 0 | 0 | |
| Exercised, weighted average exercise price (in dollars per share) | $ 0 | $ 0 | $ 0 | |
| Canceled, forfeited, or expired (in shares) | (10,000) | (10,000) | 0 | |
| Canceled, forfeited, or expired, weighted average exercise price (in dollars per share) | $ 12.07 | $ 16.21 | $ 0 | |
| Outstanding (in shares) | 44,000 | 34,000 | 44,000 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 7.33 | $ 9.13 | $ 10.74 | |
| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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- Details
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Note 18 - Stockholders' Equity (Details Textual) $ / shares in Units, $ in Thousands |
Dec. 31, 2024
USD ($)
$ / shares
shares
|
|---|---|
| Number Of Shares Of Common Stock Subject To Registration Rights Agreement (in shares) | 17,085,100 |
| Additional Shares Available for Trading if Exercise Registration Rights (in shares) | 6,637,600 |
| Dividends Payable, Amount Per Share (in dollars per share) | $ / shares | $ 0.06 |
| Dividends Payable | $ | $ 10,699 |
| X | ||||||||||
- Definition The number of additional shares available for trading on the public market if registration rights are exercised. No definition available.
|
| X | ||||||||||
- Definition Number of shares of common stock subject to registration rights agreement. No definition available.
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| X | ||||||||||
- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
Note 19 - Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 6.00% | ||
| Defined Contribution Plan, Cost | $ 2,080 | $ 1,923 | $ 1,719 |
| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
|
Note 20 - Related Party Transactions - Related Party Balance Sheet Accounts (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
||
|---|---|---|---|---|---|
| Accounts receivable, related parties | [1] | $ 14,991 | $ 15,897 | $ 16,459 | |
| Related Party [Member] | |||||
| Accounts receivable, related parties | 0 | 1 | |||
| Prepaid expenses, related parties | 0 | 12 | |||
| Accounts payable, related parties | 139 | 42 | |||
| Related Party [Member] | Administrative Servicesand Other [Member] | |||||
| Prepaid expenses, related parties | 0 | 12 | |||
| Related Party [Member] | Fuel [Member] | |||||
| Accounts payable, related parties | 0 | 0 | |||
| Related Party [Member] | Travel and Administrative Services [Member] | |||||
| Accounts payable, related parties | 139 | 42 | |||
| Related Party [Member] | Biodiesel [Member] | |||||
| Accounts receivable, related parties | $ 0 | $ 1 | |||
| |||||
| X | ||||||||||
- Definition Sum of the amounts paid to related parties in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer. No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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- Details
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- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Definition Total costs incurred from related parties related to goods produced and sold during the reporting period. No definition available.
|
| X | ||||||||||
- Definition Cost incurred from related parties during the reporting period in transporting goods and services to customers. Includes freight-out costs. No definition available.
|
| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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Note 21 - Segment Information (Details Textual) |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| Number of Reportable Segments | 2 |
| Chemicals [Member] | |
| Number of Reportable Segments | 2 |
| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition Represents the amount of distribution expense during the period. No definition available.
|
| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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Note 22 - Legal Proceedings (Details Textual) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2024
USD ($)
| |
| Gain (Loss) from Litigation Settlement | $ 2,750 |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|