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Note 10 - Margin Loan Payable (Details Textual)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 29, 2023
CAD ($)
Aug. 29, 2023
USD ($)
Jul. 28, 2023
CAD ($)
Jul. 28, 2023
USD ($)
Jun. 01, 2023
CAD ($)
Jun. 01, 2023
USD ($)
May 31, 2023
CAD ($)
May 31, 2023
USD ($)
Feb. 28, 2023
CAD ($)
Feb. 28, 2023
USD ($)
Nov. 30, 2023
CAD ($)
shares
Nov. 30, 2023
USD ($)
Nov. 30, 2022
CAD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2022
USD ($)
Oct. 27, 2022
CAD ($)
shares
Oct. 27, 2022
USD ($)
shares
Statement Line Items [Line Items]                                  
Borrowings, advance outstanding | $                     $ 0            
Margin loan facility [member]                                  
Statement Line Items [Line Items]                                  
Borrowings, maximum borrowing limit                               $ 13,400 $ 10,000,000
Borrowings, standby fee, percent                               3.00% 3.00%
Borrowings, securities pledged as collateral, shares (in shares)                               20,700,000 20,700,000
Borrowings, facility fee, percent                               1.50% 1.50%
Borrowings, minimum outstanding advance provided                               $ 9,400 $ 7,000,000
Repayments of borrowings     $ 1,500 $ 1,200,000 $ 1,500 $ 1,200,000 $ 2,700 $ 2,000,000 $ 2,700 $ 2,000,000 $ 9,595 $ 7,118,000 $ 3,696 $ 2,882,000      
Payment of facility amendment fee $ 68 $ 50,000                              
Borrowings, advance outstanding                         $ 9,500   $ 7,100,000    
Borrowings, securities pledged as collateral, shares, released (in shares)                     20,700,000            
Loss on modification of margin loan                     $ 422 $ 314,000          
Margin loan facility [member] | Secured overnight finance rate [member]                                  
Statement Line Items [Line Items]                                  
Borrowings, adjustment to interest rate basis                               5.65% 5.65%