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Note 8 - Margin Loan Payable - Movement of the Margin Loan (Details)
$ in Thousands, $ in Thousands
12 Months Ended
Jul. 27, 2022
CAD ($)
Jul. 27, 2022
USD ($)
Oct. 28, 2021
CAD ($)
Oct. 28, 2021
USD ($)
Nov. 30, 2022
CAD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2021
CAD ($)
Nov. 30, 2021
USD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2021
USD ($)
Statement Line Items [Line Items]                    
Draw-down         $ 0   $ 11,966      
Gain on modification of margin loan         (834)   0      
Margin loan facility [member]                    
Statement Line Items [Line Items]                    
Draw-down     $ 12,400 $ 10,000     12,388 $ 10,000    
Less: transaction costs and fees         (203) $ (150) (422) (341)    
Interest expense         1,732 1,336 136 108    
Unrealized foreign exchange loss         474 0 380 $ 0    
Balance at November 30, 2021         8,824   12,482   $ 6,579 $ 9,767
Principal repayment $ (3,700) $ (2,900)     (3,696) (2,882) 0      
Interest paid         (1,131) (877) $ 0      
Gain on modification of margin loan         $ (834) $ (615)