Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Prepaid clinical trial deposits	$ 308	$ 805
Prepaid insurance	582	794
Professional services	523	501
Other	200	62
Total prepaid expenses	$ 1,613	$ 2,162