WARRANT DERIVATIVE (Tables)

12 Months Ended

Jul. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Liability

The following table shows a continuity of the Company’s fair value of warrant derivative:

	Warrant derivative	Number of warrants accounted for as derivative liability
Balance, August 1, 2019	$                      16,04,768	80,49,428
Addition	15,21,930	44,73,238
Expiry	(9,010)	(13,62,747)
Fair value adjustment	(8,99,581)	-
Balance, July 31, 2020	$                      22,18,107	1,11,59,919

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 July 31, 2020 and August 1, 2019:

	July 31, 2020	August 1, 2019
Risk-free interest rate	1.52%	2.12%
Expected life of warrants	0.46 – 2.05 years	0.16 to 2.93 years
Expected annualized volatility	92.6% to 117%	115.6% to 127.5%
Dividend	Nil	Nil
Forfeiture rate	0%	0%