Summary of Significant Accounting Policies - Revenue Recognition (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) item	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) contract item	Jun. 30, 2021 USD ($)
Disaggregation of Product Revenue
Number of contracts | contract			2
Number of specialty pharmacies. | item	4		4
Number of portfolio of contract | contract			1
Mytesi
Disaggregation of Product Revenue
Product revenue	$ 384,000	$ 317,000	$ 723,000	$ 1,300,000
Mytesi | Specialty Pharmacies
Disaggregation of Product Revenue
Product revenue	2,400,000	62,000	4,700,000	237,000
Canalevia
Disaggregation of Product Revenue
Product revenue	87,000	0	131,000	0
Neonorm
Disaggregation of Product Revenue
Product revenue	$ 15,000	$ 6,000	$ 35,000	$ 39,000