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

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	Three months ended March 3 1 ,
	201 9 (unaudited)		201 8 (unaudited)
Revenues based on customer location:
United States	$	1,779	$	1,707
Europe and Middle East (1)		3,342		2,453
Asia Pacific (2) (3) (4)		11,848		13,409
	$	16,969	$	17,569
(1)  Germany	$	2,589		*)
(2)  China	$	7,243	$	6,152
(3)  S. Korea	$	1,767	$	2,802
(4)  Japan	$	2,647	$	2,624

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

	Three months ended March 3 1 ,
	201 9 (unaudited)			201 8 (unaudited)
Customer A		21	%		*)
Customer B		12	%		16	%
Customer C		12	%		*)
Customer D		10	%		*)
Customer E		*)			15	%