Note 7 - Debt- Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt, Long-Term and Short-Term, Combined Amount	$ 307,224	$ 294,721
Short-Term Debt	23,937	23,443
Less current portion of debt	72,807	37,028
Total long term debt	234,417	257,693
Third Eye Capital Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	7,172	7,159
Third Eye Capital Revolving Credit Facility [Member]
Debt, Long-Term and Short-Term, Combined Amount	23,800	20,922
Revolving Notes Series B [Member]
Debt, Long-Term and Short-Term, Combined Amount	57,694	54,412
Third Eye Capital Revenue Participation Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	12,046	12,011
Third Eye Capital Acquisition Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	26,709	26,655
Third Eye Capital Fuels Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount	35,168	32,511
Third Eye Capital Carbon Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount	23,673	23,486
Construction Loan Agreement [Member]
Short-Term Debt	43,894	41,024
Cilion Shareholder Seller Notes Payable [Member]
Debt, Long-Term and Short-Term, Combined Amount	7,081	7,028
Subordinated Notes 1 [Member]
Short-Term Debt	17,747	17,625
EB-5 Promissory Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	42,439	42,211
Working capital Loan [Member]
Short-Term Debt	3,954	3,827
Term Loan On Equipment Purchase [Member]
Debt, Long-Term and Short-Term, Combined Amount	$ 5,847	$ 5,850

Amount of debt and lease obligation, classified as current.

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