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Agreements - Gilead (Details) $ in Thousands |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Dec. 19, 2018 item | Jan. 31, 2022 USD ($) | Jun. 30, 2022 USD ($)
Agreements |  |  |
Revenue earned |  |  | $ 33,193
Gilead |  |  |
Agreements |  |  |
Number of programs | item | 3 |  |
Option exercise period | 90 days |  |
Revenue earned |  | $ 33,200 |
Master collaboration agreement, term | 3 years |  |

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