Annual report pursuant to Section 13 and 15(d)

Revenue - Revenue Generated from Non-Product Sales (Details)

v3.19.1
Revenue - Revenue Generated from Non-Product Sales (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Revenue from Contract with Customer [Abstract]    
License fees $ 26,677 $ 11,285
Research and development services 1,762 1,403
Milestone payments 571 12,573
Other revenues 91 14
Total Revenue $ 29,101 $ 25,275