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Debt (Tables)
3 Months Ended
Oct. 31, 2018
Debt [Abstract]  
Schedule of fair market value of all derivatives determined using the Black-Scholes option pricing model
Expected dividend yield0.00%
Expected stock price volatility165.84% - 179.03%
Risk-free interest rate2.21% -2.93%
Expected term0.58 - 2.75 years
Schedule of changes in fair value of derivative financial instruments
Balance at July 31, 2018 $632,268 
Derivative loss  139,256 
Balance at October 31, 2018 $771,524