Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Clinical trial costs	$ 2,167	$ 399
Insurance	372	87
Professional fees	140	56
Other	225	0
Prepaid expenses and other current assets	$ 2,904	$ 542