Note 9 - Share Capital - Stock Option Transactions (Details)	3 Months Ended	6 Months Ended
Apr. 30, 2026 $ / shares	Apr. 30, 2025 $ / shares	Apr. 30, 2026 $ / shares	Apr. 30, 2025 $ / shares
Statement Line Items [Line Items]
Outstanding, beginning of period	630,908	804,494	779,734	819,125
Outstanding, beginning of period (in CAD per share)	$ 15.9	$ 15.9	$ 15.9	$ 15.9
Granted	0	0	0	0
Granted, weighted average exercise price (in CAD per share)	$ 0	$ 0	$ 0	$ 0
Exercised	(126,250)	0	(250,162)	(6,775)
Exercised, weighted average exercise price (in CAD per share)	$ 15.9	$ 0	$ 0	$ 15.9
Forfeited/cancelled	0	(3,140)	(24,914)	(10,996)
Forfeired/cancelled, weighted average exercise price (in CAD per share)	$ 0	$ 15.9	$ 0	$ 15.9
Expired	0	0	0	0
Expired, weighted average exercise price (in CAD per share)	$ 0	$ 0	$ 0	$ 0
Outstanding, end of period	504,658	801,354	504,658	801,354
Outstanding, end of period (in CAD per share)	$ 15.9	$ 15.9	$ 15.9	$ 15.9

The number of share options outstanding in a share-based payment arrangement.

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