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Supplemental Balance Sheet Information - Components of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Accrued Liabilities, Current [Abstract]    
Accrued payroll and compensation $ 2,594 $ 2,705
Accrued clinical trial and development expenses 382 285
Accrued professional services 496 554
Accrued interest 389 839
Other accrued expenses 415 522
Total accrued expenses and other current liabilities $ 4,276 $ 4,905