Other non-current Assets (Details) $ in Thousands		3 Months Ended
	Apr. 01, 2016 USD ($)	Mar. 31, 2022 USD ($) payment Payment	Mar. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Royalty receivable		$ 6,000			$ 6,000
Other		886			903
Total other non-current assets		6,886			$ 6,903
Revenues		$ 12,270	$ 11,122
Number of guaranteed royalty payments | payment		8
License Agreement with Sunovion Pharmaceuticals, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Revenues	$ 22,000
Minimum annual royalty receivable		$ 1,000		$ 1,000
Number of annual royalty payments receivable | Payment		6
Royalty
Acquired Finite-Lived Intangible Assets [Line Items]
Revenues		$ (92)
Royalty | License Agreement with Sunovion Pharmaceuticals, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Revenues				$ 8,000