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Common Stock - MedImmune Limited License Agreement (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 12, 2021
Dec. 31, 2021
Dec. 31, 2020
Common Stock for future issuance      
Research and development   $ 36,936 $ 16,956
MedImmune Limited License Agreement      
Common Stock for future issuance      
Research and development   $ 6,500  
MedImmune Limited License Agreement | Common Stock Member      
Common Stock for future issuance      
Stock issued shares 884,956    
Stock issued value $ 6,500