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Note 10 - Agreements - Schedule of Working Capital Agreement Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues	$ 186,717	$ 256,513
Accounts payable	32,132	26,168
J.D. Heiskell [Member]
Accounts receivable	1,073	0
Accounts payable	1,207	27
Ethanol Sales [Member] | J.D. Heiskell [Member]
Revenues	77,359	0
Wet Distiller's Grains Sales [Member] | J.D. Heiskell [Member]
Revenues	21,963	50,930
CDO and CDS [Member] | J.D. Heiskell [Member]
Revenues	3,296	10,168
Corn Purchases [Member] | J.D. Heiskell [Member]
Corn purchases	$ 83,128	$ 191,401

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