Note 9 - Geographic Information and Major Customer Data (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	Six months ended June 30,				Three months ended June 30,
	2021 (unaudited)		2020 (unaudited)		2021 (unaudited)		2020 (unaudited)
Revenues based on customer location:
United States	$	10,498	$	5,919	$	6,548	$	2,624
Europe and Middle East (1)		2,005		13,948		906		8,845
Asia Pacific (2)		43,356		27,354		23,003		12,137
	$	55,859	$	47,221	$	30,457	$	23,606
(1) Germany		*)	$	8,889		*)	$	4,925
(2) China	$	36,448	$	21,628	$	19,189	$	9,554

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

	Six months ended June 30,						Three months ended June 30,
	2021 (unaudited)			2020 (unaudited)			2021 (unaudited)			2020 (unaudited)
Customer A		21	%		*)			27	%		*)
Customer B		10	%		—			*)			—
Customer C		*)			18	%		*)			20	%
Customer D		*)			11	%		*)			18	%