XML 80 R64.htm IDEA: XBRL DOCUMENT v3.19.1
Pensions - Changes in gross benefit obligation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Change In Gross Pension Obligation [Abstract]      
Gross obligation January 1 $ 1,708 $ 1,111 $ 945
Current service cost 398 325 360
Interest charge on pension liabilities 42 31 27
Past service cost - curtailment/plan amendment     (19)
Settlement (gain)     (128)
Social security expenses (57) (44) (48)
Remeasurements loss/(gain) 119 227 (18)
Exchange rate differences (119) 58 (8)
Gross pension obligation December 31 $ 2,090 $ 1,708 $ 1,111