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

9 Months Ended

Sep. 30, 2020

Notes Tables

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

		Nine months ended September 30,								Three months ended September 30,
		2020 (unaudited)				2019 (unaudited)				2020 (unaudited)				2019 (unaudited)
Revenues based on customer location:
United States		$	13,754			$	7,713			$	3,079			$	3,811
Europe and Middle East (1)			10,017				13,245				825				6,911
Asia Pacific (2) (3)			48,410				37,882				21,056				12,749
		$	72,181			$	58,840			$	24,960			$	23,471
(1)Germany		$	*	)		$	10,613			$	*	)		$	5,425
(2)China		$	37,713			$	25,542			$	16,085			$	8,993
(3)Japan		$	*	)		$	6,544			$	*	)		$	*	)

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

		Nine months ended September 30,								Three months ended September 30,
		2020 (unaudited)				2019 (unaudited)				2020 (unaudited)				2019 (unaudited)
Customer A			13	%			19	%			*	)			23	%
Customer B			12	%			15	%			18	%			15	%
Customer C			13	%			*	)			16	%			*	)

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