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Note 13 - Segment Information - Reconciliation of Assets from Segments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets	$ 242,239	$ 243,406
California Ethanol [Member]
Assets	68,403	67,991
California Dairy Renewable Natural Gas [Member]
Assets	100,242	92,794
India Biodiesel [Member]
Assets	32,820	34,769
Other Operating Segment [Member]
Assets	$ 40,774	$ 47,852

X

- Definition

Amount of asset recognized for present right to economic benefit.

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