Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jan. 31, 2023 |
Jan. 31, 2022 |
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| Research and Development Expense [Member] | ||
| Share-based payment arrangement, expense | $ 505 | $ 1,276 |
| General and Administrative Expense [Member] | ||
| Share-based payment arrangement, expense | $ 558 | $ 1,078 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
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