Note 9 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
Note 9 - Income Taxes (Details Textual) - USD ($)	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	Oct. 31, 2024
Income Tax Expense (Benefit)	$ 135,000	$ 3,649,000	$ 171,000	$ 2,818,000
Effective Income Tax Rate Reconciliation, Percent	122.70%	564.70%	53.60%	99.30%
Unrecognized Tax Benefits	$ 224,000		$ 224,000		$ 186,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	144,000		144,000
Deferred Tax Assets, Valuation Allowance	$ 4,040,000		$ 4,040,000		$ 3,962,000

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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