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Warrants (Details) - USD ($)
3 Months Ended 12 Months Ended
Oct. 31, 2019
Jul. 31, 2019
Jul. 31, 2018
Warrants $ 500,000 $ 3,730,000  
Exercise Price $ .15 $ 0.15 $ .15
Term 2 years    
Volatility 323.00%   361.50%
Risk free interest rate 2.61%    
Fair value $ 25,205 $ 70,858 $ 70,858
Minimum      
Term     1 year
Risk free interest rate     1.67%
Maximum      
Term     2 years
Risk free interest rate     2.67%