Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Revenue - Revenue Generated from Non-Product Sales (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Revenue from Contract with Customer [Abstract]    
License fees $ 11,285 $ 2,736
Research and development services 1,403 1,440
Milestone payments 12,573 1,655
Other Revenues 14 0
Total Revenue $ 25,275 $ 5,831