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Warrants (Tables)
3 Months Ended
Oct. 31, 2020
Warrants [Abstract]  
Schedule of warrants activity
    Number of Warrants     Weighted Average Exercise Price     Weighted Average Remaining Contract Term  
Exercisable at July 31, 2019     2,365,000     $ 0.15     $ .65  
Granted     -       -       -  
Expired     (1,865,000 )     0.15       -  
Exercised     -       -       -  
Exercisable at July 31, 2020     500,000       0.15       .27  
Granted     -       -       -  
Expired     (500,000 )     0.15       -  
Exercised     -       -       -  
Exercisable at October 31, 2020     -     $ -       -