Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accrued Expenses and Other Current Liabilities
Compensation and related benefits	$ 6,760	$ 7,343
Third-party and professional fees	3,280	2,493
Amounts due to contract manufacturer	2,827	2,095
Current portion of operating lease liabilities	$ 521	$ 545
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	$ 66	$ 20
Other	1,150	955
Total accrued expenses and other current liabilities	$ 14,604	$ 13,451