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Warrants Outstanding (Detail) (USD $)
 12 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Class of Warrant or Right [Line Items]    
Aggregate Intrinsic Value, Warrants Outstanding, Balance $ 0 $ 0
Aggregate Intrinsic Value, Warrants Granted 0 0
Aggregate Intrinsic Value, Warrants Exercised 0 0
Aggregate intrinsic value, Warrants, Cancelled 0 0
Aggregate Intrinsic Value, Warrants Outstanding, Balance $ 0 $ 0
Number Of warrants Outstanding, Balance 2,936,000 1,500,000
Number Of warrants Granted 209,000 2,936,000
Number Of warrants Exercised 0  
Number Of warrants Cancelled 0 (1,500,000)
Number Of warrants Outstanding, Balance 3,145,000 2,936,000