Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Compensation, bonuses and related benefits	$ 1,109	$ 3,496
Research and development	4,728	4,895
Accrued severance, bonus, and retention	68	2,476
Accrued offering costs in connection with pre-closing financing	0	3,334
Accrued transaction costs related to reverse merger	0	2,557
Other	919	737
Total accrued expenses and other current liabilities	$ 6,824	$ 17,495