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Commitments - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2012
Oct. 29, 2012
Oct. 16, 2009
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Maximum
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Scenario Six
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Scenario Six
Maximum
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Scenario Seven
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Scenario Seven
Maximum
Dec. 14, 2012
Private Placement of 9% Senior Subordinated Callable Convertible Promissory Notes
9% Senior Subordinated Callable Convertible Promissory Notes
Average daily trading volume (as defined) is less than $100,000
Aug. 16, 2012
Executive Vice President
Oct. 08, 2012
Chief of Strategy and Business Development
Commitments and Contingencies Disclosure [Line Items]                              
Officer compensation                           $ 11,900 $ 10,000
Issuance of common stock for services (shares) 200,000 300,000 600,000                     700,000 50,000
Share based compensation, per share                           $ 0.001 $ 0.21
Notice period to terminate Meyers Agreement                             90 days
Debt, par value               $ 1,500,000              
Convertible notes, interest rate             9.00%                
Convertible notes, maturity date             Feb. 15, 2016                
Debt conversion, price per share             $ 0.40                
Warrants, expiration Date       Oct. 31, 2014 Jul. 31, 2016 Oct. 31, 2014 Jun. 30, 2018                
Warrants issued to purchase common stock                   1,125,000   250,000      
Warrants issued to purchase common stock, exercise price per share                 $ 0.45   $ 0.45        
Convertible debt, redemption price as a percentage of principal amount             105.00%           110.00%