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Kolltan Acquisition (Details) - Kolltan - USD ($)
$ in Millions
Jul. 15, 2022
Nov. 29, 2016
Kolltan Acquisition    
Shares issued as part of consideration (in shares)   1,217,200
Execution of the settlement agreement $ 15.0  
Milestone payments made in cash upon Successful Completion of a Phase 2 Clinical Trial 12.5  
Milestone payment payable upon regulatory approval of a Surviving Company Product 52.5  
Specified development, regulatory approvals or sales-based milestones    
Kolltan Acquisition    
Potential milestone payments   $ 172.5
Milestone payment payable upon regulatory approval of a Surviving Company Product $ 172.5