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License Agreement - Beijing (Details) - License Agreement with Beijing SL
$ in Millions
Jul. 23, 2019
USD ($)
License Agreements  
Upfront payment to be received $ 2.5
Period from effective date within which upfront gross payment to be paid 45 days
Developmental and regulatory milestone payment eligible to be received $ 6.0
Global net sales milestone payment to be received $ 20.0