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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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
India Biodiesel [Member]
Sales	$ 10,923	$ 63	$ 10,941	$ 696
California [Member]
Sales	60,908	49,832	178,840	146,890
Ethanol Sales [Member] | California [Member]
Sales	44,673	39,131	130,224	111,220
Biodiesel Sales [Member] | India Biodiesel [Member]
Sales	10,828	0	10,828	465
Wet Distiller's Grains Sales [Member] | California [Member]
Sales	13,003	8,919	39,669	30,584
Other Sales [Member] | India Biodiesel [Member]
Sales	95	63	113	231
Other Sales [Member] | California [Member]
Sales	$ 3,231	$ 1,782	$ 8,947	$ 5,086

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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