Quarterly report pursuant to Section 13 or 15(d)

Cash and Cash Equivalents and Liquidity (Details)

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Cash and Cash Equivalents and Liquidity (Details) (USD $)
3 Months Ended 81 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Jul. 31, 2014
Jul. 31, 2013
Cash and Cash Equivalents and Liquidity          
Losses in all previous reporting periods from inception to date $ 4,061,116 $ 2,051,486 $ 29,424,148    
Cash and cash equivalents $ 33,989,597 $ 15,193,760 $ 33,989,597 $ 37,852,694 $ 4,970,175