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COMPREHENSIVE INCOME (Details) (USD $)
3 Months Ended 6 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2013
Jul. 31, 2012
Comprehensive Income [Abstract]        
Comprehensive income $ (15,000) $ 1,808,000 $ 1,561,000 $ 3,151,000
Foreign currency translation loss     $ 106,000