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Stock-Based Compensation (Tables)
12 Months Ended
Jul. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Common stock options granted, forfeited or expired and exercised

    Options   Weighted Average Exercise Price per Share
Outstanding - July 31, 2013     29,701,197     $ 0.09  
Granted     8,879,499     $ 0.001  
Forfeited or expired     (90,000 )   $ 0.53  
Exercised     (526,306 )   $ 0.001  
Outstanding - July 31, 2014     37,964,390     $ 0.06  
Forfeited or expired     (1,315,000 )   $ 0.69  
Exercised     (6,416,316 )   $ 0.001  
Outstanding - July 31, 2015     30,233,074     $ 0.05  
Exercisable - July 31, 2015     30,233,074     $ 0.05  

Information on stock options outstanding

          Options Outstanding and Options Exercisable
  Range of Exercise Price       Number Outstanding at July 31, 2015       Weighted Average Exercise Price       Weighted Average Remaining Life (Years)       Aggregate Intrinsic Value  
$ 0.001       26,383,074     $ 0.001       2.74          
  $0.019 - $0.38       3,000,000     $ 0.282       0.65          
$ 0.64       850,000     $ 0.64       4.61          
          30,233,074     $ 0.048       2.58     $ 271,746  

Intrinsic value of stock options

    For the Year Ended July 31,
    2015   2014
         
Weighted Average Grant Date Fair Value of Options Granted     $ n/a     $ 0.029  
Aggregate Intrinsic Value of Options Exercised   $ 129,908     $ 21,052  
Cash Received for Exercise of Stock Options   $ 6,416     $ 526