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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of components of inventory (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Jan. 31, 2013
Schedule of components of inventory [Abstract]    
Ethanol and other finished goods $ 3,517 $ 7,306
Work in process 3,017 4,414
Grain and other raw materials 12,836 13,199
Total $ 19,370 $ 24,919