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Segment Reporting (Details) - Schedule Of Segment Assets - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Segment Reporting Information [Line Items]
Assets	$ 486,140	$ 479,345
Ethanol [Member]
Segment Reporting Information [Line Items]
Assets	406,595	397,281
Refined Coal [Member]
Segment Reporting Information [Line Items]
Assets	2,163	2,861
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	$ 77,382	$ 79,203

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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