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Note 13 - Financial Instruments - Currency Risk (Details) - CAD ($)
$ in Thousands
Nov. 30, 2022
Nov. 30, 2021
Statement Line Items [Line Items]    
Foreign currency denominated monetary assets $ 80,489 $ 138,893
Currency risk, denominated in USD [member]    
Statement Line Items [Line Items]    
Foreign currency denominated monetary assets 80,053 138,692
Currency risk, denominated in BRL [member]    
Statement Line Items [Line Items]    
Foreign currency denominated monetary assets 44 18
Currency risk, denominated in COP [member]    
Statement Line Items [Line Items]    
Foreign currency denominated monetary assets $ 392 $ 183