GEOGRAPHIC INFORMATION (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

The following presents total revenues for the years ended December 31, 2015, 2016 and 2017 and long-lived assets as of December 31, 2015, 2016 and 2017.

	2015				2016				2017
	Total		Long- lived		Total		Long- lived		Total		Long- lived
	revenues		assets		revenues		assets		revenues		assets
Israel	$	6,414	$	3,836	$	6,061	$	3,625	$	2,221	$	3,569
Americas, principally the U.S.		72,079		96		74,161		95		81,051		96
Europe		38,873		79		39,134		68		49,229		106
Far East		22,393		79		26,215		79		24,238		64
	$	139,759	$	4,090	$	145,571	$	3,867	$	156,739	$	3,835

Revenue from External Customers by Products and Services [Table Text Block]

Total revenues from external customers divided on the basis of the Company's product lines are as follows:

	Year Ended December 31,
	2015		2016		2017
Technology	$	15,965	$	13,649	$	13,603
Networking		123,794		131,922		143,136
	$	139,759	$	145,571	$	156,739