Stockholders’ Deficiency - Stockholders’ deficiency transactions (Details) (USD $)	3 Months Ended		216 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013
Issuance of common stock for services, Amount	$ 168,500	$ 114,250	$ 15,068,200
Common Stock
Issuance of common stock on conversion of convertible preferred stock, Shares	18,666,665
Issuance of common stock on conversion of convertible preferred stock, Amount	18,667
Issuance of common stock as make-whole payments on convertible preferred stock, Shares	5,201,739
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	5,202
Issuance of common stock for services, Shares	616,667
Issuance of common stock for services, Amount	617
Issuance of common stock as employee compensation, Shares	4,333,333
Issuance of common stock as employee compensation, Amount	4,333
Issuance of common stock for cash warrant exercises, Shares	2,166,666
Issuance of common stock for cash warrant exercises, Amount	2,166
Issuance of options in lieu of deferred salary
Amortization of stock options as employee compensation
Total, Shares	30,985,070
Total, Amount	30,985
Additional Paid-In Capital
Issuance of common stock on conversion of convertible preferred stock, Amount	(18,667)
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	145,998
Issuance of common stock for services, Amount	37,883
Issuance of common stock as employee compensation, Amount	125,667
Issuance of common stock for cash warrant exercises, Amount	110,676
Issuance of options in lieu of deferred salary	257,505
Amortization of stock options as employee compensation	5,365
Total, Amount	664,427
Change to Stockholders Equity
Issuance of common stock on conversion of convertible preferred stock, Amount	0
Issuance of common stock as make-whole payments on convertible preferred stock, Amount	151,200
Issuance of common stock for services, Amount	38,500
Issuance of common stock as employee compensation, Amount	130,000
Issuance of common stock for cash warrant exercises, Amount	112,842
Issuance of options in lieu of deferred salary	257,505
Amortization of stock options as employee compensation	5,365
Total, Amount	$ 695,412