Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Agreements - Gilead (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended	6 Months Ended
Agreements - Gilead (Details) - USD ($) $ in Thousands	Dec. 19, 2018	Jan. 31, 2022	Dec. 31, 2019	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Agreements
Revenue earned				$ 4,595	$ 33,193	$ 9,303
Gilead
Agreements
Revenue proceeds			$ 25,000
Revenue earned		$ 33,200
Master collaboration agreement, term	3 years