Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Research and development		$ 1,806	$ 2,645
Professional fees		1,617	459
Related party consulting fees		13
Employee related		1,712	2,413
Accrued other		369	114
Accrued expenses and other current liabilities	[1]	$ 5,517	$ 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 June 30, 2024 and December 31, 2023, respectively (see Notes 5 and 10).