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Accounting Policies (Details) - Schedule of components of inventory - USD ($) $ in Thousands	Oct. 31, 2015	Jan. 31, 2015
Schedule of components of inventory [Abstract]
Ethanol and other finished goods	$ 5,614	$ 3,039
Work in process	2,599	2,609
Grain and other raw materials	15,343	12,414
Total	$ 23,556	$ 18,062

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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