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Schedule of Fair Value Assumptions (Details)
3 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Share-Based Payment Arrangement [Abstract]    
Volatility 110.95% 91.90%
Risk-free interest rate 4.18% 4.00%
Dividend yield
Expected life 5 years 4 months 9 days 5 years 4 months 2 days