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Note 7 - Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Goodwill [Table Text Block]

		Year ended December 3 1,
		2018				2019
Balance as of January 1,		$	46,612			$	46,612
Acquisition			—				4,458
Balance as of December 31,		$	46,612			$	51,070

Schedule of Finite-Lived Intangible Assets [Table Text Block]

					Year ended December 31, 2018												Year ended December 31, 2019
		Weighted average amortization p eriod (years)			Gross carrying amount				Accumulated amortization				Net				Gross carrying amount				Accumulated amortization				Net
Intangible assets –amortizable:
Intangible assets related to the acquisition of RivieraWaves
Customer relationships		4.5			$	272			$	272			$	—			$	272			$	272			$	—
Customer backlog		1.5				93				93				—				93				93				—
Core technologies		5.1				5,796				4,955				841				5,796				5,796				—
I ntangible assets related to the acquisition of Hillcrest Lab s busines s
Customer relationships		4.4				—				—				—				3,518				395				3,123
Customer backlog		0.5				—				—				—				72				65				7
Core technologies		7.5				—				—				—				2,475				150				2,325
Intangible assets related to a technology investment in Immervision
Core technologies		6.4				—				—				—				7,063				472				6,591
Intangible assets related to an investment in NB-IoT technologies
NB-IoT technologies (*)		7.0				2,200				341				1,859				1,961				583				1,378
Total intangible assets					$	8,361			$	5,661			$	2,700			$	21,250			$	7,826			$	13,424

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2020		$	2,588
2021			2,582
2022			2,581
2023			1,906
2024			1,852
2025 and thereafter			1,915
		$	13,424

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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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