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Note 9 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Oct. 31, 2025
Income Tax Expense (Benefit)	$ 34,000	$ 36,000
Effective Income Tax Rate Reconciliation, Percent	425.00%	17.20%
Unrecognized Tax Benefits	$ 247,000		$ 217,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	172,000
Deferred Tax Assets, Valuation Allowance	$ 4,538,000		$ 4,716,000

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