Stockholders’ Deficiency - Stockholders’ deficiency transactions (Details) (USD $)	9 Months Ended		219 Months Ended	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2014 Common Stock	Apr. 30, 2014 Additional Paid-In Capital	Apr. 30, 2014 Change to Stockholders Equity
Issuance of common stock on conversion of convertible preferred stock, Shares				64,499,998
Issuance of common stock on conversion of convertible preferred stock, Amount				$ 64,500	$ (64,500)
Issuance of common stock as make-whole payments on convertible preferred stock, Shares				18,000,194
Issuance of common stock as make-whole payments on convertible preferred stock, Amount				18,000	504,450	522,450
Issuance of common stock for services, Shares				5,683,333
Issuance of common stock for services, Amount	360,500	223,692	15,260,200	5,683	224,817	230,500
Issuance of common stock as employee compensation, Shares				4,333,333
Issuance of common stock as employee compensation, Amount				4,333	125,667	130,000
Issuance of common stock for cash warrant exercises, Shares				76,732,020
Issuance of common stock for cash warrant exercises, Amount				76,731	4,419,725	4,496,457
Issuance of options in lieu of deferred salary					257,505	257,505
Exercise of employee stock options, Shares				526,306		526
Exercise of employee stock options, Amount				526
Exercise of employee stock options					237,566	237,566
Amortization of stock options as employee compensation					5,365	5,365
Total, Shares				169,775,184
Total, Amount				$ 169,775	$ 5,710,595	$ 5,880,369