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Collaboration (Details 1) - Pfizer [Member]
$ in Millions
Dec. 31, 2021
USD ($)
Research | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Milestone payments to be received $ 7.7
Expected timing of revenue satisfaction (in years) 24 months
Material Rights | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Milestone payments to be received $ 0.3
Expected timing of revenue satisfaction (in years) 3 years