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Material Agreements (Details) - USD ($) $ in Thousands								3 Months Ended		53 Months Ended
Material Agreements (Details) - USD ($) $ in Thousands	Mar. 27, 2023	Mar. 02, 2023	Oct. 26, 2022	Sep. 26, 2022	Nov. 03, 2020	Oct. 23, 2020	Apr. 01, 2016	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 03, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalties related to the sale of future revenue								$ 8,720	$ 12,053
Assertio Holdings, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalties related to the sale of future revenue			$ 6,000
Proceeds from collaborators			$ 9,000
Manufacture and supply revenue
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalties related to the sale of future revenue								7,193	10,518
License and royalty revenue
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalties related to the sale of future revenue								$ 790	$ 1,132
Commercial exploitation agreement with Indivior
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
License agreement term								7 years
Automatic renewal period of agreement		1 year						1 year
License agreement with Sunovion Pharmaceuticals, Inc.
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate payment						$ 22,000
License agreement with Sunovion Pharmaceuticals, Inc. upfront
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate payment						5,000
License agreement with Sunovion Pharmaceuticals, Inc milestones
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate payment						$ 17,000
License agreement with Sunovion Pharmaceuticals, Inc milestones \| License and royalty revenue
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalties related to the sale of future revenue							$ 4,000
MAM Pangolin Royalty , LLC \| Monetization Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Additional proceeds from sale of future revenue					$ 10,000
Proceeds from sale of future revenue					40,000					$ 50,000
Proceeds from debt, contingent on additional milestones					75,000
MAM Pangolin Royalty , LLC \| Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Proceeds from sale of future revenue					$ 125,000
Haisco Pharmaceutical Group Co., Ltd, upfront payment
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Receivable											$ 7,000
License & Supply Agreement \| Atnahs Pharma UK Limited
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Proceeds from sale of future revenue				$ 3,500
Atnahs Pharma UK Limited, Amended Agreement \| License & Supply Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Proceeds from sale of future revenue	$ 2,000