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Agreements - Gilead (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 19, 2018
Jan. 31, 2022
Mar. 31, 2022
Agreements      
Revenue earned     $ 33,193
Gilead      
Agreements      
Revenue earned   $ 33,200  
Master collaboration agreement, term 3 years