Note 13 - Segment Information - Summary of Business by Segment (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Revenue from Contract with Customer | $ 78,726 | $ 35,673 | $ 110,678 | $ 53,211 |
| Cost of goods sold | 47,387 | 79,572 | ||
| Segment gross profit (loss) | 15,023 | (12,393) | (835) | (27,581) |
| Selling, general, and administrative expenses | 3,080 | 2,228 | 7,225 | 5,112 |
| Research and development expenses | 692 | 933 | 1,532 | 2,324 |
| Other income, net | (188) | (1,547) | (457) | (2,748) |
| Net income (loss) before income taxes | 11,439 | (14,007) | (9,135) | (32,269) |
| Net loss before income taxes | 11,439 | (14,007) | (9,135) | (32,269) |
| Operating Segments [Member] | ||||
| Revenue from Contract with Customer | 78,726 | 35,673 | 110,678 | 53,211 |
| Cost of goods sold | 62,623 | 47,388 | 109,635 | 79,575 |
| Distribution | 1,080 | 678 | 1,878 | 1,217 |
| Segment gross profit (loss) | 15,023 | (12,393) | (835) | (27,581) |
| Chemicals [Member] | Operating Segments [Member] | ||||
| Revenue from Contract with Customer | 25,849 | 16,619 | 45,481 | 25,984 |
| Cost of goods sold | 20,593 | 15,211 | 42,387 | 30,351 |
| Distribution | 319 | 294 | 676 | 534 |
| Segment gross profit (loss) | 4,937 | 1,114 | 2,418 | (4,901) |
| Biofuels [Member] | Operating Segments [Member] | ||||
| Revenue from Contract with Customer | 52,877 | 19,054 | 65,197 | 27,227 |
| Cost of goods sold | 42,029 | 32,177 | 67,247 | 49,224 |
| Distribution | 761 | 384 | 1,202 | 683 |
| Segment gross profit (loss) | $ 10,087 | $ (13,507) | $ (3,252) | $ (22,680) |
| 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://www.xbrl.org/2003/role/exampleRef
|
| 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/2003/role/disclosureRef
|
| 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://www.xbrl.org/2009/role/commonPracticeRef
|
| 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/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 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://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|