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Components of Consolidated EBIT (Detail) (USD $)
12 Months Ended
Jan. 31, 2014
Consolidation Of Earnings Before Interest And Taxes [Line Items]  
3rd fiscal quarter ended October 2013 $ (900,000)
4 th fiscal quarter ended January 2014 (1,227,111)
1 st fiscal quarter ended April 2014 $ (1,696,958)