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Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

		2020				202 1
License and related revenues		$	16,269			$	1,889

Disaggregation of Revenue [Table Text Block]

		Year ended December 3 1 , 2018												Year ended December 31, 201 9
		Licensing and related revenues				Royalties				Total				Licensing and related revenues				Royalties				Total
Primary geographical markets
United States		$	6,260			$	2,094			$	8,354			$	15,203			$	1,424			$	16,627
Europe and Middle East			3,672				13,698				17,370				5,282				16,211				21,493
Asia Pacific			30,514				21,639				52,153				27,405				21,627				49,032
Total		$	40,446			$	37,431			$	77,877			$	47,890			$	39,262			$	87,152
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT, and SATA/SAS)		$	30,628			$	35,055			$	65,683			$	36,471			$	34,206			$	70,677
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)			9,818				2,376				12,194				11,419				5,056				16,475
Total		$	40,446			$	37,431			$	77,877			$	47,890			$	39,262			$	87,152
Timing of revenue recognition
Products transferred at a point in time		$	30,744			$	37,431			$	68,175			$	33,794			$	39,262			$	73,056
Products and services transferred over time			9,702				—				9,702				14,096				—				14,096
Total		$	40,446			$	37,431			$	77,877			$	47,890			$	39,262			$	87,152

Contract with Customer, Asset and Liability [Table Text Block]

		December 3 1 , 201 8				December 3 1 , 201 9
Trade receivables		$	9,971			$	11,066
Unbilled receivables (associated with licensing and related revenue)			6,745				5,269
Unbilled receivables (associated with royalties)			9,440				11,972
Deferred revenues (short-term contract liabilities)			3,593				3,642

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
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