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Balance Sheet Details - Schedule of Accounts Payable (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Clinical costs | $ 7,605 | $ 4,726
Legal and audit costs | 13 | 160
Other | 276 | 213
Total | $ 7,894 | $ 5,099

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