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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of components of inventory - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Schedule of components of inventory [Abstract]    
Ethanol and other finished goods $ 5,767 $ 8,402
Work in process 3,094 2,824
Grain and other raw materials 9,616 9,529
Total $ 18,477 $ 20,755