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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Payables and Accruals [Abstract] |  |
Accrued compensation and benefits | $ 3,007 | $ 2,662
Accrued research and development expenses | 2,918 | 790
Accrued legal, accounting and other professional fees | 916 | 648
Accrued other | 178 | 44
Accrued offering costs |  | 673
Deferred sublease income |  | 69
Total accrued expenses and other current liabilities | $ 7,019 | $ 4,886

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