Convertible Preferred Stock, Stockholders' Equity, and Stock-Based Compensation - Summary of Company's Stock Option Activity Under the Plan (Detail) - 2020 and 2024 Equity Incentive Plan [Member] - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | ||
| Outstanding at December 31, 2024 | 2,216,215 | |
| Granted | 316,300 | |
| Exercised | (26,834) | |
| Cancelled | (1,562,589) | |
| Outstanding at December 31, 2025 | 943,092 | 2,216,215 |
| Exercisable as of December 31, 2025 | 587,318 | |
| Outstanding at December 31, 2024 | $ 7.72 | |
| Granted | 3.42 | |
| Exercised | 5.15 | |
| Cancelled | 7.83 | |
| Outstanding at December 31, 2025 | 6.17 | $ 7.72 |
| Exercisable as of December 31, 2025 | $ 6.17 | |
| Weighted - average remaining contractual term | 8 years | 8 years 8 months 12 days |
| Weighted - average remaining contractual term | 7 years 6 months | |
| Aggregate intrinsic value | $ 412 | $ 7,118 |
| Aggregate intrinsic value | $ 0 | |
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of non-vested options outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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