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Note 10 - Segment Information - Reconciliation of Assets from Segments (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets | $ 210,381 | $ 207,114
California Ethanol [Member] |  |
Assets | 62,508 | 66,794
Dairy Renewable Natural Gas [Member] |  |
Assets | 76,607 | 77,714
India Biodiesel [Member] |  |
Assets | 24,054 | 16,120
Other Segments [Member] |  |
Assets | $ 47,212 | $ 46,486

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. 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