Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Research and development		$ 1,236	$ 2,645
Professional fees		312	459
Employee related		3,230	2,413
Accrued other		278	114
Accrued expenses and other current liabilities	[1]	$ 5,056	$ 5,631

[1] Includes related party amounts of zero and $0.2 million (accounts payable) and less than $0.1 million and zero (accrued expenses) as of September 30, 2024 and December 31, 2023, respectively (see Notes 5 and 10).