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License Agreement and Clinical Research Organization - Additional Information (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Apr. 10, 2020 | Oct. 31, 2025 | Oct. 31, 2024
License Agreement and Clinical Research Organization [Line Items] |  |  |
Annual maintenance fee | $ 50 |  |
Payment to NTC upon assigning the License Agreement | 50 |  |
Phase I Clinical Trial [Member] |  |  |
License Agreement and Clinical Research Organization [Line Items] |  |  |
One-time payment for milestone product | 50 |  |
Phase II Clinical Trial [Member] |  |  |
License Agreement and Clinical Research Organization [Line Items] |  |  |
One-time payment for milestone product | 450 |  |
Research and Development |  |  |
License Agreement and Clinical Research Organization [Line Items] |  |  |
Upfront fee | $ 50 |  |
Expenses related to the annual maintenance fee |  | $ 50 | $ 50
Fee related to the manufacturing payment |  | $ 235 | $ 0

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