DERIVATIVE LIABILITY (Tables)

9 Months Ended

Apr. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Liability [Table Text Block]

		Warrant derivative		Number of warrants accounted for as derivative liability
Balance, July 31, 2020	$	2,218,107		11,159,919
Expiry		-		(5,679,836	)
Fair value adjustment		(1,776,341	)	-
Balance, July 31, 2021	$	441,766		5,480,083
Expiry		-		(488,438	)
Fair value adjustment		(252,324	)	-
Balance, April 30, 2022	$	189,442		4,991,645

Schedule of Weighted Average Assumptions of Warrants [Table Text Block]

	April 30, 2022	July 31, 2021
Risk-free interest rate	1.52%	1.52%
Expected life of warrants	0.18 to 0.30 years	0.08 to 1.14 years
Expected annualized volatility	74.54% to 103.60%	83.6% to 118.2%
Dividend	Nil	Nil
Forfeiture rate	0%	0%