Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Information
Number of reportable segments | segment			2
Segment net income (loss)	$ (12,609)	$ (12,192)	$ (40,163)	$ (38,282)
Segment assets	51,287		51,287		$ 53,265
Less: investment in subsidiary	(29,232)		(29,232)		(29,232)
Less: Intercompany loan	(88,090)		(88,090)		(75,333)
Human Health
Segment Information
Segment net income (loss)	(6,360)	(5,698)	(15,956)	(16,393)
Segment assets	39,916		39,916		42,250
Animal Health
Segment Information
Segment net income (loss)	(6,249)	(6,494)	(24,207)	(21,889)
Segment assets	128,693		128,693		115,580
Product revenue
Segment Information
Revenue from external customers	3,150	630	8,696	2,255
Product revenue | Human Health
Segment Information
Revenue from external customers	3,133	615	8,513	2,200
Product revenue | Animal Health
Segment Information
Revenue from external customers	17	$ 15	183	$ 55
Operating Segments
Segment Information
Segment assets	$ 168,609		$ 168,609		$ 157,830