Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.19.3.a.u2
Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]      
Recovery of short swing profit $ 77 $ 0 $ 0
AstraZeneca      
Related Party Transaction [Line Items]      
Revenue from related parties 1,000 600 $ 100
Accounts receivable, related parties $ 300 $ 200