Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Other Long-Term Liabilities
Net deferred tax liabilities related to IPR&D	$ 1,613	$ 1,613
Deferred Income From Sale of Tax Benefits	3,720	4,650
Deferred revenue	48	60
Total	5,381	6,323
Less current portion	(978)	(990)
Long-term portion	$ 4,403	$ 5,333