Stockholders’ Deficiency - Accounting allocation of initial proceeds (Details) (USD $)	3 Months Ended			9 Months Ended		219 Months Ended
	Apr. 30, 2014	Jan. 31, 2014	Jul. 31, 2013	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014
Equity [Abstract]
Net proceeds	$ 2,020,000	$ 750,000	$ 1,165,000	$ 2,770,000	$ 1,450,000	$ 21,690,000
Derivative warrant liability fair value	(2,016,064)	(942,279)	(1,189,744)
Derivative additional investment rights fair value	(863,735)		(1,264,683)
Make whole payments liability	(560,250)	(216,000)	(330,750)
Deemed dividend	$ (1,420,050)	$ (408,279)	$ (1,620,177)