Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid contracted research and development costs	$ 4,268	$ 2,167
R&D tax credit receivable	790	814
Prepaid insurance	162	176
VAT receivable	226	191
Deferred financing costs	325
Deposits and other	407	280
Total prepaid expenses and other current assets	$ 6,178	$ 3,628