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Stock-Based Compensation (Tables)
3 Months Ended
Oct. 31, 2018
Stock-Based Compensation [Abstract]  
Schedule of stock options
        Weighted-average 
     Weighted-average  remaining contractual term 
  Options  exercise price  (years) 
          
Outstanding at July 31, 2018  3,415,000  $0.33   4.58 
Granted  -   -   - 
Exercised  -   -   - 
Forfeited and cancelled  -   -   - 
Outstanding at October 31, 2018  3,415,000  $0.33   3.97 
Exercisable at October 31, 2018  2,448,701  $0.30   3.97