Stockholders’ Deficiency - Stockholders’ deficiency transactions (Details) (USD $)	6 Months Ended
	Jan. 31, 2015
Currency translation adjustment	$ 31,235
Stockholders' Deficiency	(6,395,683)
Series F Convertible Preferred Stock
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	2,075
Series F Convertible Preferred Stock | Make-Whole Payments
Issuance of common stock on conversion of convertible preferred stock, Shares	217
Common Stock
Issuance of common stock on conversion of convertible preferred stock, Shares	7,225,001
Issuance of common stock on conversion of convertible preferred stock, Amount	7,225
Issuance of common stock as make-whole payments on convertible preferred stock, Shares	2,799,402
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	2,799
Issuance of common stock for services, Shares	2,460,000
Issuance of common stock for services, Amount	2,460
Exercise of employee stock options, Shares	542,154
Exercise of employee stock options, Amount	542
Total, Shares	791,538,649
Total, Amount	791,538
Additional Paid-In Capital
Issuance of common stock on conversion of convertible preferred stock, Amount	(7,225)
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	55,723
Issuance of common stock for services, Amount	63,909
Exercise of employee stock options, Amount
Total, Amount	366,244,351
Change to Stockholders Equity
Issuance of common stock on conversion of convertible preferred stock, Amount
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	58,523
Issuance of common stock for services, Amount	66,369
Exercise of employee stock options, Amount	$ 542