Goodwill and In-Process Research & Development (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2018
Goodwill and In-Process Research & Development [Abstract]
Goodwill	$ 2,044	$ 2,044
Goodwill impairment loss	0	0
In-process research and development		0	$ 6,000
Non-cash impairment charges	$ 0	$ 5,990