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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Payables and Accruals [Abstract]    
External research and development services $ 2,207 $ 1,110
Payroll and payroll-related costs 1,453 1,178
Professional fees 847 653
Other 73 206
Total accrued expenses and other current liabilities $ 4,580 $ 3,147