Fair value of Accounting allocation of initial proceeds - Series A, B, C, D & E 9% Convertible Preferred Stock (Details) - USD ($)	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Net proceeds		$ 475,000
Deemed dividend		$ (339,583)
Series F Convertible Preferred Stock
Net proceeds	2,020,000
Derivative warrant liability fair value	(2,016,064)
Derivative additional investment rights fair value	(863,735)
Other issuance costs (Finders' Fee)	(166,000)
Make whole payments liability	(560,250)
Deemed dividend	(1,586,050)
Series G Convertible Preferred Stock
Net proceeds	475,000
Derivative warrant liability fair value	(354,535)
Derivative additional investment rights fair value	(285,048)
Other issuance costs (Finders' Fee)	(40,000)
Make whole payments liability	(135,000)
Deemed dividend	$ (339,583)