GEOGRAPHIC INFORMATION (Tables)

12 Months Ended

Dec. 31, 2018

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, 2016, 2017 and 2018 and long-lived assets as of December 31, 2016, 2017 and 2018.

	2016				2017				2018
	Total		Long- lived		Total		Long- lived		Total		Long- lived
	revenues		assets		revenues		assets		revenues		assets
Americas, principally the U.S.	$	74,161	$	95	$	81,051	$	96	$	86,636	$	219
Europe		39,134		68		49,229		106		59,193		109
Far East		26,215		79		24,238		64		25,887		70
Israel		6,061		3,625		2,221		3,569		4,507		3,467
	$	145,571	$	3,867	$	156,739	$	3,835	$	176,223	$	3,865

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,
	2016		2017		2018
Networking	$	131,922	$	143,136	$	162,831
Technology		13,649		13,603		13,392
	$	145,571	$	156,739	$	176,223