Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.7.0.1
Inventories (Details) - USD ($)
$ in Thousands
Jul. 01, 2017
Dec. 31, 2016
Summary of inventories    
Raw materials $ 24,242 $ 16,864
Work in process 6,035 5,641
Finished goods 9,323 8,069
Provision for slow moving inventory (1,118) (574)
Total $ 38,482 $ 30,000