DERIVATIVE LIABILITY (Tables)

3 Months Ended

Oct. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Liability

The following table shows a continuity of the Company’s derivative liability:

	Derivative liability			Number of warrants accounted for as derivative liability
Balance, August 1, 2019	$	1,604,768			80,494,276
Addition		869,673			22,913,217
Expiry		(577	)		(7,077,140	)
Fair value adjustment		(729,685	)		-
Balance, October 31, 2019	$	1,744,179			96,330,353

Schedule of Weighted Average Assumptions of Warrants

The following weighted average assumptions were used for the Black-Scholes pricing model valuation of warrants as at October 31, 2019 and August 1, 2019:

	October 31, 2019	August 1, 2019
Risk-free interest rate	1.52%	1.52%
Expected life of warrants	0.16 to 2.80 years	0.16 to 2.93 years
Expected annualized volatility	92.2% to 125.2%	115.6% to 127.5%
Dividend	Nil	Nil
Forfeiture rate	0%	0%