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Note 5 - Debt- Schedule of Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt, Long-Term and Short-Term, Combined Amount | $ 338,061 | $ 294,721
Short-Term Debt | 26,789 | 23,443
Less current portion of debt | 90,534 | 37,028
Total long term debt | 247,527 | 257,693
Third Eye Capital Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 7,212 | 7,159
Third Eye Capital Revolving Credit Facility [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 31,434 | 20,922
Revolving Notes Series B [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 68,476 | 54,412
Third Eye Capital Revenue Participation Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 12,110 | 12,011
Third Eye Capital Acquisition Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 26,788 | 26,655
Third Eye Capital Fuels Revolving Line [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 41,286 | 32,511
Third Eye Capital Carbon Revolving Line [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 26,302 | 23,486
Third Eye Capital Short Term Promissory Note [Member] |  |
Short-Term Debt | 2,006 | 0
Construction Loan Agreement [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 48,235 | 41,024
Cilion Shareholder Seller Notes Payable [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 7,242 | 7,028
Subordinated Notes 1 [Member] |  |
Short-Term Debt | 19,391 | 17,625
EB-5 Promissory Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 39,020 | 42,211
EB-5 Broker Promissory Note [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 2,595 | 0
Total long term debt |  | 1,200
Working capital Loan [Member] |  |
Short-Term Debt | 5,102 | 3,827
Term Loan On Equipment Purchase [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | $ 862 | $ 5,850

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- Definition Amount of debt and lease obligation, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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