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Note 16 - Income Tax - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Organizational Costs, Start-up and Intangible Assets	$ 13,998	$ 34,217
Stock Based Compensation	2,003	1,239
NOLs, Unabsorbed Depreciation and R&D Credits C/F's	96,990	67,621
Interest expense carryover	36,867	29,066
Accrued Expenses	3,581	2,249
Operating Lease Liability	1,342	1,282
Fixed Asset Grants	5,226	0
Other, net	512	248
Total Deferred Tax Assets	174,689	144,118
Valuation Allowance	(170,298)	(135,354)
Net Deferred Tax Assets	4,391	8,764
Right of Use Asset	(1,211)	(1,230)
Property, Plant & Equipment	(3,874)	(8,266)
Other, net	0	(3)
Total Deferred Tax Liabilities	(5,085)	(9,499)
Net Deferred Tax Liabilities	(694)	(735)
Ethanol Credits [Member]
Deffered tax assets, tax credit carryforwards	1,500	1,500
Investment Tax Credit Carryforward [Member]
Deffered tax assets, tax credit carryforwards	3,393	0
Carbon Oxide Sequestration Credit Carryforward [Member]
Deffered tax assets, tax credit carryforwards	$ 9,277	$ 6,696

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