Summary of Significant Accounting Policies - Revenue Recognition (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) item	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) agreement item	Sep. 30, 2022 USD ($)
Disaggregation of Product Revenue
Number of contracts | agreement			2
Mytesi
Disaggregation of Product Revenue
Product revenue	$ 2,800,000	$ 3,100,000	$ 7,300,000	$ 8,500,000
Number of specialty pharmacies. | item	5		5
Mytesi | Specialty Pharmacies
Disaggregation of Product Revenue
Product revenue	$ 2,800,000	2,900,000	$ 7,300,000	7,500,000
Canalevia-CA1
Disaggregation of Product Revenue
Product revenue	24,000	12,000	91,000	143,000
Neonorm
Disaggregation of Product Revenue
Product revenue	$ 8,000	$ 5,000	$ 35,000	$ 40,000