Quarterly report pursuant to Section 13 or 15(d)

Other current assets (Details)

v3.8.0.1
Other current assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Other current assets    
Corporate tax receivable $ 16,136 $ 11,454
Prepayments 6,631 6,120
Clinical materials 3,843 3,760
Other current assets 2,167 382
Other current assets, Total $ 28,777 $ 21,716