Quarterly report pursuant to Section 13 or 15(d)

Contingencies and commitments - Lease Expenses (Details)

v3.7.0.1
Contingencies and commitments - Lease Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Contingencies and commitments    
Lease expenses $ 1,027 $ 425