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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Jan. 31, 2018
Accounting Policies [Abstract]  
Schedule of Inventory, Current [Table Text Block] The components of inventory at January 31, 2018, and January 31, 2017 are as follows (amounts in thousands):

   January 31, 
   2018   2017 
         
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 
Property, Plant and Equipment [Table Text Block] The components of property and equipment at January 31, 2018 and 2017 are as follows (amounts in thousands):

   January 31, 
   2018   2017 
         
Land and improvements  $21,074   $20,951 
Buildings and improvements   23,272    23,203 
Machinery, equipment and fixtures   288,832    255,348 
Construction in progress   3,155    1,046 
           
    336,333    300,548 
Less: accumulated depreciation   (138,506)   (117,787)
           
Total  $197,827   $182,761