Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 31, 2015	Jul. 31, 2014
Statement Of Financial Position [Abstract]
Preferred stock par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued
Common stock par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	180,000,000us-gaap_CommonStockSharesAuthorized	180,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	126,426,736us-gaap_CommonStockSharesIssued	126,143,366us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	126,426,736us-gaap_CommonStockSharesOutstanding	126,143,366us-gaap_CommonStockSharesOutstanding

Face amount or stated value per share of common stock.

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