SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of components of inventory - USD ($) $ in Thousands	Jan. 31, 2018	Jan. 31, 2017
Schedule of components of inventory [Abstract]
Ethanol and other finished goods	$ 8,402	$ 5,262
Work in process	2,824	2,359
Grain and other raw materials	9,529	9,436
Total	$ 20,755	$ 17,057