Quarterly report pursuant to sections 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 6 Months Ended 12 Months Ended 57 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Jul. 31, 2008
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2010
Jul. 31, 2009
Oct. 31, 2012
Cash and Cash equivalents and Liquidity                
Losses in all previous reporting periods from inception to date $ 2,026,925 $ (2,712,046) $ 7,187 $ 2,364,852 $ 3,758,817 $ 36,158 $ 33,714 $ 8,227,653