CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Oct. 31, 2011	Jul. 31, 2011
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	316,616,812	308,519,768
Common stock, shares outstanding	316,616,812	308,519,768
Series A Convertible Preferred Stock [Member]
Series A Convertible preferred stock, cumulative percentage of interest	$ 9.00%	$ 9.00%
Convertible preferred stock, par value (in dollars per share)	$ 1,000	$ 1,000
Convertible preferred stock, shares authorized	5,500	5,500
Convertible preferred stock, shares issued	500	1,287
Convertible preferred stock, shares outstanding	500	1,287