Summary of Significant Accounting Policies - Accounts receivable and Concentrations (Details) - Customer risk - Distributor	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Total net revenue | Customer 1
Concentrations
Concentration risk (as a percentage)	30.00%	35.00%	38.00%	33.00%
Total net revenue | Customer 2
Concentrations
Concentration risk (as a percentage)	55.00%	55.00%	58.00%	51.00%
Total net revenue | Three major pharmaceutical distributors
Concentrations
Number of major distributors		2	2	2
Total net revenue | Two major pharmaceutical distributors
Concentrations
Number of major distributors	2
Total net revenue | Minimum
Concentrations
Threshold for calculating concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Total accounts receivable | Customer 1
Concentrations
Concentration risk (as a percentage)			28.00%		30.00%
Total accounts receivable | Customer 2
Concentrations
Concentration risk (as a percentage)			47.00%		57.00%