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

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Six months ended June 30,				Three months ended June 30,
	2020		2019		2020		2019
	(unaudited)		(unaudited)		(unaudited)		(unaudited)
Revenues based on customer location:
United States	$	5,919	$	3,902	$	2,624	$	2,123
Europe and Middle East (1)		13,948		6,334		8,845		2,992
Asia Pacific (2) (3)		27,354		25,133		12,137		13,285
	$	47,221	$	35,369	$	23,606	$	18,400
(1)  Germany	$	8,889	$	5,188	$	4,925	$	2,599
(2)  China	$	21,628	$	16,549	$	9,554	$	9,306
(3)  Japan	$	*)	$	4,835	$	*)	$	2,188

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

	Six months ended June 30,						Three months ended June 30,
	2020			2019			2020			2019
	(unaudited)			(unaudited)			(unaudited)			(unaudited)
Customer A		18	%		17	%		20	%		14	%
Customer B		)*			15	%		)*			17	%
Customer C		11	%		)*			18	%		)*