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Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Payables and Accruals [Abstract]    
Accrued external research and development $ 2,797 $ 456
Accrued compensation 2,602 5,361
Accrued professional fees 211 422
Other accrued expenses 247 265
Accrued expenses $ 5,857 $ 6,504