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 3 Months Ended 6 Months Ended 60 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
May 31, 2011
Mar. 31, 2011
Oct. 31, 2011
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2013
Dec. 12, 2012
Jul. 31, 2012
Jun. 24, 2011
Mar. 02, 2011
Feb. 28, 2011
Jan. 31, 2013
Minimum
Jan. 31, 2013
Maximum
Jan. 31, 2013
First Amendment
Sep. 28, 2011
First Amendment
Jan. 31, 2013
First Amendment
Minimum
Jan. 31, 2013
Second Amendment
Mar. 24, 2012
Second Amendment
Jan. 31, 2013
Second Amendment
Minimum
Jan. 31, 2013
Warrants
First Amendment
Jan. 31, 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                                      
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     83,000 34,500 166,000 366,500                              
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     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        
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