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Warrants (Tables)
6 Months Ended
Jan. 31, 2020
Warrants [Abstract]  
Schedule of fair market value assumptions
Expected dividend yield   0.00%
Expected stock price volatility   153.99% - 237.00%
Risk-free interest rate   2.05% -2.93%
Expected term   3.0 - 5.0 years  
Schedule of warrants
           Weighted average 
       Weighted average   remaining contractual 
   Warrants   exercise price   term (years) 
             
Outstanding at July 31, 2019   2,700,000   $0.32    2.19 
Granted   -    -    - 
Exercised   -    -    - 
Forfeited and cancelled   -    -    - 
Outstanding at January 31, 2020   2,400,000   $0.35    1.95 
Exercisable at January 31, 2020   2,100,000   $0.25    1.82