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Note 10 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022	Oct. 31, 2022
Income Tax Expense (Benefit), Total	$ 164,000	$ (136,000)	$ 324,000	$ (56,000)
Benefit from income taxes	$ (164,000)	$ 136,000	$ (324,000)	$ 56,000
Effective Income Tax Rate Reconciliation, Percent, Total	39.30%	21.30%	35.80%	20.40%
Income Tax Expense (Benefit)	$ (164,000)	$ 136,000	$ (324,000)	$ 56,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	182,000		182,000		$ 121,000
Unrecognized Tax Benefits, Ending Balance	$ 178,000		$ 178,000

X

- Definition

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

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

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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