Stock-Based Compensation (Details Narrative) (USD $)	12 Months Ended		213 Months Ended							12 Months Ended
	Jul. 31, 2013	Jul. 31, 2011	Jul. 31, 2013	Jun. 04, 2013	Mar. 05, 2013	Feb. 05, 2013	Jul. 31, 2012	Jun. 06, 2012	Jul. 31, 2010	Jul. 31, 2013 Stock Options	Jul. 31, 2012 Stock Options	Jul. 31, 2011 Stock Options	Jul. 31, 2013 Common Stock	Jul. 31, 2012 Common Stock	Jul. 31, 2011 Common Stock	Jul. 31, 2013 Stock Option Plan 2001	Jul. 31, 2013 Stock Option Plan 2006	Jul. 31, 2012 Stock Option Plan 2006	Jul. 31, 2013 Stock Options	Jul. 31, 2012 Stock Options	Jul. 31, 2011 Stock Options
Common stock reserved for future issuance																12,000,000	60,000,000
Common stock reserved for future awards																4,650,222	7,113,391
Share-based employee compensation										$ 837,753	$ 602,384	$ 936,465	$ 0	$ 130,544	$ 100,999
Outstanding options	29,701,197	7,340,182	29,701,197				29,701,197		7,465,638										29,701,197
Outstanding options, weighted average remaining contractual term										4 years 2 months 16 days
Unrecognized compensation cost	5,365		5,365
Cost expected to be recognized, weighted average period of time	2 months 12 days
Share based compensation for deferred salary and director fees																			24,532,719	5,851,696	3,300,000
Closing price of common stock	$ 0.035		$ 0.035	$ 0.0325	$ 0.034	$ 0.038	$ 0.093	$ 0.0925									$ 0.001	$ 0.001
Fair value of stock options granted			4,011,938									692,010
Fair value of stock options vested																					692,010
Grant date exercise price and current price of underlying stock																					$ 0.282
Options fair value assumptions, expected term		5 years										5 years
Options fair value assumptions, expected volatility rate		101.00%										101.30%
Options fair value assumptions, expected dividend payments		$ 0										$ 0
Risk-free interest rate		0.13%										0.13%