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Loan Payable (Details)
3 Months Ended
Oct. 31, 2017
Schedule of fair value assumptions  
Dividend yield 0.00%
Volatility 5.00%
Minimum [Member]  
Schedule of fair value assumptions  
Risk-free interest rate 1.01%
Expected term (in years) 1 year 2 months 30 days
Maximum [Member]  
Schedule of fair value assumptions  
Risk-free interest rate 1.15%
Expected term (in years) 1 year 5 months 1 day