Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Product Information [Line Items]
Total revenue	$ 3,155	$ 3,272	$ 8,726	$ 10,039
Product sales [Member]
Product Information [Line Items]
Total revenue	548	805	2,914	3,273
Royalties [Member]
Product Information [Line Items]
Total revenue	$ 2,607	$ 2,467	$ 5,812	$ 6,766