Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Accrued Expenses and Other Current Liabilities
Compensation and related benefits	$ 7,854	$ 9,216
Third-party and professional fees	2,828	2,828
Amounts due to contract manufacturer	2,314	2,024
Current portion of operating lease liabilities	$ 559	$ 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	$ 16	$ 140
Other	808	527
Total accrued expenses and other current liabilities	$ 14,379	$ 15,300