Supplemental Financial Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Inventories:
Raw materials	$ 0	$ 0
Work-in-progress	100	0
Finished goods	281	0
Inventory	381	0
Accrued Liabilities:
Accrued research and development services	3,705	3,252
Accrued compensation and benefits	$ 9,591	$ 7,830
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Short term lease liability	$ 1,291	$ 1,291
Other	2,570	404
Accrued liabilities	$ 17,157	$ 12,777