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Description of Business - Additional Information (Detail) (USD $)
1 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended
Jul. 31, 2013
Jul. 31, 2013
Jul. 31, 2012
Mar. 31, 2013
Private Placement
Jul. 31, 2013
Private Placement
Description Of Business [Line Items]          
Debt, face amount         $ 880,000
Debt, maturity date         Feb. 15, 2016
Debt, interest rate         9.00%
Restricted shares granted to agent       7,500,000 1,075,000
Share based compensation, per share       $ 0.40  
Proceeds from note payable 1,100,000 0 270,000    
Proceeds from subscribed common stock   $ (430,000) $ 0   $ 430,000