Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued Expenses and Other Current Liabilities
Compensation and related benefits	$ 5,954	$ 9,216
Third-party and professional fees	2,563	2,828
Amounts due to contract manufacturer	2,023	2,024
Current portion of operating lease liabilities	$ 568	$ 565
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total accrued expenses and other current liabilities	Total accrued expenses and other current liabilities
Research and development expenses	$ 112	$ 140
Other	602	527
Total accrued expenses and other current liabilities	$ 11,822	$ 15,300