Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 31, 2013	Jul. 31, 2012
Stockholders' equity:
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, share authorized	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	97,560,415	94,760,415
Common stock, shares outstanding	97,560,415	94,760,415