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Schedule of Going Concern (Detail) (USD $)
3 Months Ended 6 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2013
Jul. 31, 2012
Schedule Of Going Concern [Line Items]        
Net operating loss $ 1,360,387 $ 63,026 $ 2,072,359 $ 116,179
Cash used in operating activities     $ (298,344) $ (64,605)