Stockholders’ Deficiency - Accounting allocation of initial proceeds (Details) (USD $)	9 Months Ended		3 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Mar. 27, 2014
Net proceeds		$ 2,770,000
Series E Convertible Preferred Stock
Net proceeds	750,000
Derivative warrant liability fair value	(942,279)
Other issuance costs (finders' fee)	(64,000)
Make whole payments liability	(216,000)
Deemed dividend	(472,279)
Series F Convertible Preferred Stock
Net proceeds	2,020,000		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)