Annual report pursuant to Section 13 and 15(d)

Licensing and Other Arrangements - Affimed (Details)

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Licensing and Other Arrangements - Affimed (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Licensing and other arrangements    
Revenue from contracts with customers $ 36,518,000 $ 27,941,000
License Agreement | Affimed    
Licensing and other arrangements    
Contract assets 0  
Contract liabilities 0  
Capitalized contract costs 0  
Revenue from contracts with customers $ 0