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Note 9 - Agreements - Schedule of Working Capital Agreement Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenues	$ 71,831	$ 49,895	$ 189,781	$ 147,586
Accounts receivable, net of allowance for doubtful accounts of $0 and $1,404 as of September 30, 2022 and December 31, 2021, respectively	9,127		9,127		$ 1,574
Accounts payable	32,938		32,938		$ 16,415
J.D. Heiskell [Member]
Accounts receivable, net of allowance for doubtful accounts of $0 and $1,404 as of September 30, 2022 and December 31, 2021, respectively	106	88	106	88
Accounts payable	540	307	540	307
Wet Distiller's Grains Sales [Member] | J.D. Heiskell [Member]
Revenues	13,003	8,919	39,669	30,584
Corn Oil Sales [Member] | J.D. Heiskell [Member]
Revenues	2,917	1,515	8,067	4,252
Corn Purchases [Member] | J.D. Heiskell [Member]
Corn purchases	$ 53,063	$ 39,058	$ 151,425	$ 119,217

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