Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) segment	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Information
Number of reportable segments | segment			2
Segment net income (loss)	$ (9,390)	$ (14,081)	$ (27,554)	$ (26,090)
Segment assets	49,885		49,885		$ 53,265
Less: investment in subsidiary	(29,232)		(29,232)		(29,232)
Less: Intercompany loan	(83,780)		(83,780)		(75,333)
Human Health
Segment Information
Segment net income (loss)	372	(6,749)	(9,596)	(10,691)
Segment assets	41,741		41,741		42,250
Animal Health
Segment Information
Segment net income (loss)	(9,762)	(7,332)	(17,958)	(15,399)
Segment assets	121,156		121,156		115,580
Product revenue, net
Segment Information
Revenue from external customers	2,921	385	5,546	1,625
Product revenue, net | Human Health
Segment Information
Revenue from external customers	2,819	379	5,380	1,586
Product revenue, net | Animal Health
Segment Information
Revenue from external customers	102	$ 6	166	$ 39
Operating Segments
Segment Information
Segment assets	$ 162,897		$ 162,897		$ 157,830