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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of components of inventory - USD ($)
$ in Thousands
Jan. 31, 2016
Jan. 31, 2015
Schedule of components of inventory [Abstract]    
Ethanol and other finished goods $ 3,105 $ 3,039
Work in process 2,652 2,609
Grain and other raw materials 11,421 12,414
Total $ 17,178 $ 18,062