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Segment Reporting (Details) - Schedule Of Segment Assets - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 472,338	$ 500,502
Ethanol [Member]
Segment Reporting Information [Line Items]
Assets	379,399	408,746
Refined Coal [Member]
Segment Reporting Information [Line Items]
Assets	4,868	6,101
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	$ 88,071	$ 85,655

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.

+ References

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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