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Collaboration and License Agreements (Details 2) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Determine the estimated fair value of the enterprise value milestone payments    
Closing stock price as of re measurement date $ 24.78  
Amended MSK License    
Determine the estimated fair value of the enterprise value milestone payments    
Risk-free interest rate 3.20% 1.70%
Expected volatility 78.30% 77.60%
Estimated term (in years) 16 years 6 months 17 years
Closing stock price as of re measurement date $ 24.78 $ 58.51