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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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
India Biodiesel [Member]
Sales	$ 33,570	$ 10	$ 35,040	$ 18
Biodiesel Sales [Member] | India Biodiesel [Member]
Sales	32,811	0	34,001	0
Other Sales [Member] | India Biodiesel [Member]
Sales	759	10	1,039	18
California [Member]
Sales	11,332	65,891	11,807	117,932
California [Member] | Ethanol Sales [Member]
Sales	8,647	47,656	9,015	85,551
California [Member] | Wet Distiller's Grains Sales [Member]
Sales	2,553	15,150	2,553	26,666
California [Member] | Other Sales [Member]
Sales	$ 132	$ 3,085	$ 239	$ 5,715

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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