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Stockholders’ (Deficiency)/Equity (Tables)
12 Months Ended
Jul. 31, 2016
Equity [Abstract]  
Warrants to purchase common stock outstanding

Number of Shares to be Purchased*   Warrant Exercise Price per Share   Warrant Expiration Date
  54,545,440     $ 0.015     September 30, 2016
  11,350,454     $ 0.015     February 1, 2017
  9,999,998     $ 0.015     August 10, 2017
  16,648,288     $ 0.015     December 12, 2017
  68,333,338     $ 0.015     June 17, 2018
  51,333,336     $ 0.015     January 15, 2019
  138,333,334     $ 0.015     March 27, 2019
  33,333,333     $ 0.015     June 25, 2020
  383,877,521