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Stock-Based Compensation - Stock Option (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2024 | Apr. 30, 2023
Share-based Compensation |  |  |  |
Outstanding, Number of Shares, Beginning Balance | 525 |  | 525 |
Outstanding, Number of Shares, Ending Balance | 525 |  | 525 |
Vested and Exercisable, Number of Shares | 219 |  | 219 |
Outstanding, Weighted-Average Exercise Price | $ 25.44 |  | $ 25.44 |
Outstanding, Weighted-Average Exercise Price, ending balance | 25.44 |  | 25.44 |
Vested and Exercisable, Weighted-Average Exercise Price | $ 26.48 |  | $ 26.48 |
Outstanding, Aggregate Intrinsic Value | $ 512 |  | $ 512 |
Vested and Exercisable, Aggregate Intrinsic Value | 512 |  | $ 512 |
Exercisable stock options, weighted-average remaining contractual term |  |  | 2 years 7 months 6 days |
Employee Stock Option [Member] |  |  |  |
Share-based Compensation |  |  |  |
Stock-based compensation expense | 200 | $ 100 | $ 600 | $ 100
Unrecognized stock based compensation expenses | $ 100 |  | $ 100 |
Employee Stock Option [Member] | Minimum |  |  |  |
Share-based Compensation |  |  |  |
Vesting period |  |  | 1 year |
Award expiration period |  |  | 2 years |
Employee Stock Option [Member] | Maximum |  |  |  |
Share-based Compensation |  |  |  |
Vesting period |  |  | 5 years |
Award expiration period |  |  | 5 years |

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