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Stockholders' Equity (Details) - Employee Stock Option [Member] - $ / shares
6 Months Ended 12 Months Ended
Jan. 31, 2016
Jul. 31, 2015
Jul. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Market value of stock on measurement date $ 7.00    
Risk-free interest rate 2.05%    
Dividend yield 0.00% 0.00% 0.00%
Volatility factor 373.00%    
Term 10 years    
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Market value of stock on measurement date   $ 7.30 $ 5.40
Risk-free interest rate   1.73% 2.99%
Volatility factor   407.00% 459.00%
Term   5 years 10 years
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Market value of stock on measurement date   $ 3.75 $ 2.40
Risk-free interest rate   1.00% 2.19%
Volatility factor   147.00% 418.00%
Term   3 years 7 years