INVENTORIES (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 10,116	$ 10,175
Work in process	7,453	6,535
Finished goods	11,152	9,826
Provision for excess and obsolete inventory	(397)	(389)
Total inventories	$ 28,324	$ 26,147