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

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Three months ended March 31,
	2022 (unaudited)		2021 (unaudited)
Revenues based on customer location:
United States	$	6,746	$	3,950
Europe and Middle East		1,102		1,099
Asia Pacific (1)		26,543		20,353
	$	34,391	$	25,402
(1) China	$	22,971	$	17,259

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

	Three months ended March 31,
	2022 (unaudited)			2021 (unaudited)
Customer A		12	%		14	%
Customer B		11	%		*)
Customer C		*)			23	%
Customer D		*)			12	%