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Warrants (Tables)
3 Months Ended
Oct. 31, 2016
Warrants [Abstract]  
Summary of warrants activities
  Number of Warrants  Weighted Average 
Exercise Price
  Weighted Average Remaining Contract Term 
Outstanding at July 31, 2016  2,841,667  $0.10  $0.75 
Granted  -   -   - 
Cancelled  -   -   - 
Exercised  -   -   - 
Exercisable at October 31, 2016  2,841,667  $0.10   0.50