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Note 10 - Income Taxes (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022 | Oct. 31, 2022
Income Tax Expense (Benefit), Total | $ 482,000 | $ (140,000) | $ 806,000 | $ (196,000) |
Benefit from income taxes | $ (482,000) | $ 140,000 | $ (806,000) | $ 196,000 |
Effective Income Tax Rate Reconciliation, Percent, Total | 22.70% | 15.40% | 26.60% | 16.40% |
Income Tax Expense (Benefit) | $ (482,000) | $ 140,000 | $ (806,000) | $ 196,000 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | 168,000 |  | 168,000 |  | $ 121,000
Unrecognized Tax Benefits, Ending Balance | $ 164,000 |  | $ 164,000 |  |

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