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1. Nature of Activities and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Sales	$ 42,807	$ 39,480
North America
Sales	42,328	35,872
North America | Ethanol and high-grade alcohol sales
Sales	29,920	25,322
North America | Wet distiller's grains sales
Sales	11,035	8,374
North America | Other sales
Sales	1,373	2,176
India
Sales	479	3,608
India | Other sales
Sales	5	13
India | Biodiesel sales
Sales	358	2,793
India | Refined Glycerin sales
Sales	116	90
India | PFAD sales
Sales	$ 0	$ 712

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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