Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid clinical expenses	$ 688	$ 5,836
Prepaid insurance expense	678	377
Other	329	1,049
Prepaid expenses and other current assets	$ 1,695	$ 7,262