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Collaboration and License Agreements - Shenyang Sunshine Pharmaceutical Co., Ltd (Narrative) (Details) - 3SBio License
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Aggregate amount of upfront and milestone-based payments $ 7.0
Aggregate amount for future payments upon achievement of clinical and regulatory approval milestones for products containing ImmTOR platform $ 15.0