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Note 9 - Net Income (Loss) Per Share - Components of Reconciliation of Numerators and Denominators Net Loss Per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Apr. 30, 2024	Jan. 31, 2024	Apr. 30, 2023	Jan. 31, 2023	Apr. 30, 2024	Apr. 30, 2023
Net loss	$ (1,601,346)	$ (1,425,274)	$ 2,423,087	$ 809,984	$ (3,026,620)	$ 3,233,071
Shares (denominator) (in shares)	7,710,801		7,867,755		7,731,605	7,880,685
Net income (loss) per share: Basic and diluted (in dollars per share)	$ (0.21)		$ 0.31		$ (0.39)	$ 0.41

X

- Definition

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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