Note 8 - Geographic Information and Major Customer Data (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

	Six months ended June 3 0 ,				Three months ended June 3 0 ,
	201 9 (unaudited)		201 8 (unaudited)		201 9 (unaudited)		201 8 (unaudited)
Revenues based on customer location:
United States	$	3,902	$	3,828	$	2,123	$	2,121
Europe and Middle East (1)		6,334		5,166		2,992		2,713
Asia Pacific (2) (3) (4)		25,133		26,069		13,285		12,660
	$	35,369	$	35,063	$	18,400	$	17,494
(1)  Germany	$	5,188	$	*)	$	2,599	$	1,895
(2)  China	$	16,549	$	12,935	$	9,306	$	6,802
(3)  S. Korea	$	*)	$	5,679	$	*)	$	2,877
(4)  Japan	$	4,835	$	5,147	$	2,188	$	2,523

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Six months ended June 3 0 ,						Three months ended June 3 0 ,
	201 9 (unaudited)			201 8 (unaudited)			201 9 (unaudited)			201 8 (unaudited)
Customer A		17	%		11	%		14	%		16	%
Customer B		15	%		16	%		17	%		17	%
Customer C		*)			15	%		*)			16	%