Quarterly report pursuant to sections 13 or 15(d)

Other Equity and Common Stock Transactions (Details)

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Other Equity and Common Stock Transactions (Details) (USD $)
1 Months Ended 9 Months Ended 63 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended
May 31, 2011
Mar. 31, 2011
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Dec. 12, 2012
Jul. 31, 2012
Jun. 24, 2011
Mar. 02, 2011
Feb. 28, 2011
Apr. 30, 2013
Minimum
Apr. 30, 2013
Maximum
Apr. 30, 2013
First Amendment
Sep. 28, 2011
First Amendment
Apr. 30, 2013
First Amendment
Minimum
Apr. 30, 2013
Second Amendment
Mar. 24, 2012
Second Amendment
Apr. 30, 2013
Second Amendment
Minimum
Apr. 30, 2013
Warrants
First Amendment
Apr. 30, 2013
Warrants
Second Amendment
Other equity and common stock transactions                                        
Forward stock split ratio   32                                    
Common stock, authorized shares     3,200,000,000   3,200,000,000   3,200,000,000   3,200,000,000 100,000,000                    
Common stock, par value (in dollars per share)     $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001 $ 0.0001 $ 0.001                    
Common stock, outstanding shares     117,859,000   117,859,000   87,856,000   68,480,000 2,140,000                    
Number of shares of common stock held by previous majority stockholders returned for no consideration   17,280,000                                    
Consideration paid for common stock held by previous majority stockholders returned (in dollars)   $ 0                                    
Authorized issuance of shares to consultant 200,000                                      
Value of shares issued to consultant 332,000                                      
Amortization period for consulting services 12 months                                      
Consulting expense     34,500 249,000 366,500                              
Warrants issued to purchase shares               12,000,000           1,000,000     3,000,000      
Warrants exercise price (in dollars per share)           $ 0.26         $ 0.26 $ 1.20   $ 1.20     $ 1.00      
Term of warrants                         5 years     5 years        
Daily market price for exercising warrant under the mandatory exercise provision (in dollars per share)                             $ 2.40     $ 2.40    
Number of consecutive trading days with daily market price equal to or above $2.40 allows company to request exercise of warrant                         20 days     20 days        
Fair value of warrants                         $ 228,509     $ 729,602        
Dividend yield (as a percent)                                     0.00% 0.00%
Volatility (as a percent)                                     87.62% 125.00%
Risk-free interest rate (as a percent)                                     0.96% 1.04%
Warrants outstanding     57,783,000   57,783,000   42,246,000