COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Changes in the reserve for product warranty claims
Warranty reserve at beginning of the year	$ 786	$ 629
Provision	42	234
Warranty expenditures	(48)	(40)
Effect of foreign currency translation	(18)	(37)
Warranty reserve at end of year	762	$ 786
Estimated future operating lease expense
Remainder of 2015	398
2016	1,776
2017	1,245
2018	1,060
2019	731
Thereafter	2,391
Total	$ 7,601