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Stockholders’ (Deficiency)/Equity (Tables)
12 Months Ended
Jul. 31, 2014
Equity [Abstract]  
Warrants to purchase common stock outstanding

Number of Shares to be Purchased     Warrant Exercise Price per Share   Warrant Expiration Date
           
8,470,661   $ 0.76   December 15, 2014
3,413,928   $ 0.79   February 4, 2015
300,000   $ 0.39 (average) February 9, 2015
200,000   $ 1.25   March 7, 2015
5,157,813   $ 1.00   March 15, 2015
64,516,758   $ 0.03   March 31, 2016*
27,272,720   $ 0.03   September 30, 2016*
5,675,227   $ 0.03   February 1, 2017*
4,999,999   $ 0.03   August 10, 2017*
8,324,144   $ 0.03   December 12, 2017*
34,166,669   $ 0.03   June 17, 2018*
25,666,668   $ 0.03   January 15, 2019*
69,166,667   $ 0.03   March 27, 2019*
257,331,254