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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of components of inventory - USD ($)
$ in Thousands
Jan. 31, 2017
Jan. 31, 2016
Schedule of components of inventory [Abstract]    
Ethanol and other finished goods $ 5,262 $ 3,105
Work in process 2,359 2,652
Grain and other raw materials 9,436 11,421
Total $ 17,057 $ 17,178