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OTHER INTANGIBLE ASSETS - Additional Information (Details 4) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2015
Oct. 31, 2014
OTHER INTANGIBLE ASSETS        
Amortization expense $ 119,000 $ 61,000 $ 283,000 $ 182,000