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Note 4 - Debt- Schedule of Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt, Long-Term and Short-Term, Combined Amount | $ 294,721 | $ 246,240
Short-Term Debt | 23,443 | 36,754
Less current portion of debt | 37,028 | 49,219
Total long term debt | 257,693 | 197,021
Third Eye Capital Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 7,159 | 7,141
Third Eye Capital Revolving Credit Facility [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 20,922 | 60,602
Revolving Notes Series B [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 54,412 | 0
Third Eye Capital Revenue Participation Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 12,011 | 11,963
Third Eye Capital Acquisition Term Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 26,655 | 26,578
Third Eye Capital Fuels Revolving Line [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 32,511 | 27,410
Third Eye Capital Carbon Revolving Line [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 23,486 | 22,710
Construction Loan Agreement [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 41,024 | 19,820
Cilion Shareholder Seller Notes Payable [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 7,028 | 6,821
Subordinated Notes 1 [Member] |  |
Short-Term Debt | 17,625 | 15,931
EB-5 Promissory Notes [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | 42,211 | 41,404
Working capital Loan [Member] |  |
Short-Term Debt | 3,827 | 0
Term Loan On Equipment Purchase [Member] |  |
Debt, Long-Term and Short-Term, Combined Amount | $ 5,850 | $ 5,860

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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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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + 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(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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