Fair Value Measurements - Narrative (Details) - USD ($) |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2022 |
Oct. 31, 2021 |
Jan. 31, 2022 |
Sep. 21, 2020 |
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| Class of Warrant or Right [Line Items] | ||||
| Restricted cash | $ 300,000 | $ 350,000 | $ 300,000 | |
| Transfers in and out of level 3, assets | 0 | $ 0 | ||
| Impairment loss | $ 0 | $ 0 | ||
| Warrants | ||||
| Class of Warrant or Right [Line Items] | ||||
| Number of redeemable convertible preferred stock warrants converted (in shares) | 32,276 | |||
| Warrants exercised (in shares) | 0 | 21,746 | ||
| X | ||||||||||
- Definition Class of Warrant or Right, Warrants Exercised No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. No definition available.
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- Definition Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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