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Derivative financial instrument liabilities (Details 2) - Derivative Warrant Liabilities [Member] - $ / shares
 3 Months Ended 12 Months Ended
Nov. 30, 2023
Aug. 31, 2023
IfrsStatementLineItems [Line Items]    
Share price $ 0.40 $ 0.39
Dividend yield 0.00% 0.00%
Expected volatility 51.00% 52.00%
Bottom of range [member]    
IfrsStatementLineItems [Line Items]    
Risk-free interest rate 4.42% 4.43%
Remaining term (in years) 2 years 2 months 12 days 2 years 6 months
Top of range [member]    
IfrsStatementLineItems [Line Items]    
Risk-free interest rate 4.63% 4.66%
Remaining term (in years) 3 years 2 months 12 days 3 years 4 months 24 days