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Revenues and Trade Receivables, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Concentration Risk [Line Items]
Current and non-current contract assets	$ 445		$ 627
Contract liabilities	20,210		20,482
Capitalized contract cost, net	442		449
Contract and other receivables	$ 1,605		$ 9,750
Indivior \| Revenues \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)	57.00%	67.00%
Indivior \| Receivables \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)	81.00%		69.00%
Zevra \| Revenues \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)	32.00%
Assertio \| Receivables \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)	15.00%
Hypera \| Revenues \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)		17.00%
Hypera \| Receivables \| Customer concentration risk
Concentration Risk [Line Items]
Concentrations of risk (as a percent)			25.00%
Doubtful Accounts
Concentration Risk [Line Items]
Allowance for credit loss	$ 0		$ 0
Trade Accounts Receivable
Concentration Risk [Line Items]
Allowance for credit loss	0		0
Other Receivables And Accrued Expenses
Concentration Risk [Line Items]
Allowance for credit loss	$ 902		$ 906
Maximum
Concentration Risk [Line Items]
Research and development, project duration (in years)	3 years