Warrants (Tables)

9 Months Ended

Apr. 30, 2019

Warrants [Abstract]

Schedule of fair market value of warrants issued using the Black-Scholes option pricing model

Expected dividend yield	0.00	%
Expected stock price volatility	153.99% - 237.00	%
Risk-free interest rate	2.05% -2.93	%
Expected term	3.0 - 5.0 years

Schedule of warrants

						Weighted-average
				Weighted-average		remaining contractual
	Warrants			exercise price		term (years)
Outstanding at July 31, 2018		2,370,000		$	0.28		2.90
Granted		315,000		$	0.15		2.65
Exercised		(75,000	)	$	0.10		2.15
Forfeited and cancelled		(260,000	)	$	0.15		3.75
Outstanding at April 30, 2019		2,350,000		$	0.34		2.34
Exercisable at April 30, 2019		2,050,000		$	0.25		2.21