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Note 12 - Agreements - Schedule of Working Capital Agreement Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues	$ 267,640	$ 186,717
Accounts payable	33,139	32,132
J.D. Heiskell [Member]
Accounts receivable	25	1,073
Accounts payable	0	1,207
J.D. Heiskell [Member] | Ethanol Sales [Member]
Revenues	116,236	77,359
J.D. Heiskell [Member] | Wet Distiller's Grains Sales [Member]
Revenues	36,214	21,963
J.D. Heiskell [Member] | Corn Oil Sales [Member]
Revenues	5,671	3,238
J.D. Heiskell [Member] | CDS Sales [Member]
Revenues	103	58
J.D. Heiskell [Member] | Corn Purchases [Member]
Corn purchases	$ 130,439	$ 83,128

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