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Note 6 - Other Assets (Details Textual) - CAD ($)
2 Months Ended
Feb. 28, 2021
Apr. 30, 2023
Oct. 31, 2022
Apr. 30, 2022
Statement Line Items [Line Items]        
Total intangible assets other than goodwill   $ 10,275,000 $ 9,363,000 $ 9,151,000
Capitilised development costs   $ 7,300,000 $ 6,200,000  
Canada Stablecorp Inc.[member]        
Statement Line Items [Line Items]        
Proportion of ownership interest in associate 11.00%      
Purchase of interests in associates $ 953,000