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Derivative Liabilities (Details Narrative) - USD ($)
6 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jul. 31, 2015
Derivative warrants weighted average remaining life 1 year 11 months    
Decrease in fair value of derivative warrant liability $ 30,684 $ 1,144,784  
Fair value of derivative liability 2,332,731   $ 2,363,415
Additional recognition of gain, “Change in fair value of derivative liabilities” (134,318) $ (24,109)  
Series G Convertible Preferred Stock      
Fair value of derivative liability $ 276,980   $ 142,662