Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.7.0.1
Inventories (Details) - USD ($)
$ in Thousands
Apr. 01, 2017
Dec. 31, 2016
Summary of inventories    
Raw materials $ 19,797 $ 16,864
Work in process 5,977 5,641
Finished goods 7,417 8,069
Provision for slow moving inventory (1,276) (574)
Total $ 31,915 $ 30,000