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Note 2 - Revenue - Schedule of America By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
California Ethanol [Member]
Sales	$ 36,089	$ 475
India Biodiesel [Member]
Sales	32,753	1,470
Alternative Energy, Ethanol [Member] | California Ethanol [Member]
Sales	25,385	368
Gas Molecules and RIN Credits [Member] | California Dairy Renewable Natural Gas [Member]
Sales	3,792	206
Renewable Energy, Biodiesel [Member] | India Biodiesel [Member]
Sales	30,992	1,190
Wet Distillers Grains [Member] | California Ethanol [Member]
Sales	9,213	0
Product and Service, Other [Member] | California Ethanol [Member]
Sales	1,491	107
Product and Service, Other [Member] | India Biodiesel [Member]
Sales	$ 1,761	$ 280

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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