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Note 12 - Agreements - Schedule of Working Capital Agreement Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Revenues	$ 42,886	$ 72,634
Accounts payable	32,115		$ 33,139
J.D. Heiskell [Member]
Accounts receivable	27		25
Accounts payable	0		$ 0
J.D. Heiskell [Member] | Ethanol Sales [Member]
Revenues	28,059	25,385
J.D. Heiskell [Member] | Wet Distiller's Grains Sales [Member]
Revenues	8,001	9,213
J.D. Heiskell [Member] | Corn Oil Sales [Member]
Revenues	1,454	1,292
J.D. Heiskell [Member] | CDS Sales [Member]
Revenues	9	21
J.D. Heiskell [Member] | Corn Purchases [Member]
Corn purchases	$ 31,354	$ 30,913

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