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DERIVATIVE LIABILITY - Schedule of Weighted Average Assumptions of Warrants (Details) - Warrant derivative [Member]
Jul. 31, 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 1.93 0.08
Expected life of warrants [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Liability, Measurement Input 2.05 1.14
Expected annualized volatility [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Liability, Measurement Input 89.49 83.6
Expected annualized volatility [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Liability, Measurement Input 90.89 118.2
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