Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.8.0.1
Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Summary of inventories    
Raw materials $ 28,204 $ 16,864
Work in process 7,360 5,641
Finished goods 9,332 8,069
Provision for slow moving inventory (1,381) (574)
Total $ 43,515 $ 30,000