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Nature of Activities and Summary of Significant Accounting Policies (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Sales	$ 211,949,000	$ 165,557,000	$ 201,998,000
India Biodiesel
Sales	696,000	15,795,000	47,850,000
Biodiesel sales | India Biodiesel
Sales	465,000	13,796,000	42,464,000
Refined Glycerin sales | India Biodiesel
Sales	125,000	1,172,000	2,809,000
PFAD sales | India Biodiesel
Sales		774,000	2,557,000
Other sales | India Biodiesel
Sales	$ 106,000	$ 53,000	$ 20,000

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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