Note 9 - Net Loss Per Share - Components of Reconciliation of Numerators and Denominators Net Loss Per Share (Details) - USD ($)	3 Months Ended
Jan. 31, 2026	Jan. 31, 2025
Net income (loss) (numerator)	$ (397,529)	$ (1,107,431)
Shares (denominator) (in shares)	8,593,284	7,815,047
Net income (loss) per share: Basic and diluted (in dollars per share)	$ (0.05)	$ (0.14)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details