CAPITAL STOCK AND ADDITIONAL PAID-IN CAPITAL - Schedule of Warrants Roll Forward (Details) - $ / shares	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	12,337,006	6,851,379	12,471,999
Exercise Price	$ 0.95	$ 1.14	$ 1.27
Warrant One [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	518,406
Exercise Price	$ 1
Expiry Date	Jul. 03, 2024
Warrant Two [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	2,291,321
Exercise Price	$ 1
Expiry Date	Aug. 19, 2024
Warrant Three [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	11,196
Exercise Price	$ 1
Expiry Date	Aug. 19, 2022
Warrant Four [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	1,150,000
Exercise Price	$ 1
Expiry Date	Sep. 09, 2024
Warrant Five [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	2,181,917
Exercise Price	$ 1.36
Expiry Date	Jul. 31, 2024
Warrant Six [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	166,666
Exercise Price	$ 1.36
Expiry Date	Sep. 21, 2024
Warrant Seven [Member]
Capital Stock And Additional Paid In Capital [Line Items]
Number of Warrants	6,017,500
Exercise Price	$ 0.76
Expiry Date	Jan. 28, 2024