Consolidated Balance Sheets (Parenthetical) (USD $)	Apr. 30, 2014	Jul. 31, 2013
Statement Of Financial Position [Abstract]
Preferred stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	180,000,000	180,000,000
Common stock, shares issued	125,904,003	125,494,995
Common stock, shares outstanding	125,904,003	125,494,995

Face amount or stated value per share of common stock.

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