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Loan Payable (Tables)
3 Months Ended
Oct. 31, 2017
Loan Payable [Abstract]  
Schedule of fair value of the warrants using the Black-Scholes option pricing model
Risk-free interest rate 1.01% - 1.15%
Dividend yield  0%
Volatility  5%
Expected term (in years)  1.25 - 1.42