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Note 1 - Nature of Activities and Summary of Significant Accounting Policies - Schedule of America By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
India Biodiesel [Member]
Sales	$ 20,144	$ 10,923	$ 55,184	$ 10,941
Biodiesel Sales [Member] | India Biodiesel [Member]
Sales	19,291	10,828	53,292	10,828
Other Sales [Member] | India Biodiesel [Member]
Sales	853	95	1,892	113
California [Member]
Sales	47,439	60,908	59,246	178,840
California [Member] | Ethanol Sales [Member]
Sales	36,375	44,673	45,388	130,224
California [Member] | Wet Distiller's Grains Sales [Member]
Sales	9,427	13,003	11,980	39,669
California [Member] | Other Sales [Member]
Sales	$ 1,637	$ 3,232	$ 1,878	$ 8,947

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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