DERIVATIVE LIABILITY - Schedule of Weighted Average Assumptions of Warrants (Details) - Warrant derivative [Member]	Apr. 30, 2022 Year	Jul. 31, 2021 Year
Risk-free interest rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	1.52	1.52
Expected life of warrants [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	0.18	0.08
Expected life of warrants [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	0.3	1.14
Expected annualized volatility [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	74.54	83.6
Expected annualized volatility [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	103.6	118.2
Dividend [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	0	0
Forfeiture rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Liability, Measurement Input	0	0