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Note 9 - Income Tax Provision (Details Textual) - CAD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2022
Jan. 31, 2022
Apr. 30, 2021
Jan. 31, 2021
Apr. 30, 2022
Apr. 30, 2021
Statement Line Items [Line Items]            
Tax income (expense) $ 1,847   $ 2,196   $ 3,909 $ 4,184
Applicable tax rate   27.00%   27.00%