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Balance Sheet Details - Schedule of Other Current Assets and Prepaid Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid clinical and related costs	$ 2,221	$ 2,314
VAT receivable	806	703
Australian research and development tax incentive	696	670
Research grant	0	1,104
Prepaid insurance	500	198
Other	1,057	871
Total	$ 5,280	$ 5,860

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