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Note 3 - Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

		Remainder of 2021				2022
License and related revenues		$	5,131			$	761

Disaggregation of Revenue [Table Text Block]

		Three months ended March 31, 2021 (unaudited)												Three months ended March 31, 2020 (unaudited)
		Licensing and related revenues				Royalties				Total				Licensing and related revenues				Royalties				Total
Primary geographical markets
United States		$	572			$	3,378			$	3,950			$	2,782			$	513			$	3,295
Europe and Middle East			423				676				1,099				1,059				4,044				5,103
Asia Pacific			13,402				6,951				20,353				10,654				4,563				15,217
Total		$	14,397			$	11,005			$	25,402			$	14,495			$	9,120			$	23,615
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS)		$	12,805			$	8,105			$	20,910			$	10,927			$	7,042			$	17,969
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)			1,592				2,900				4,492				3,568				2,078				5,646
Total		$	14,397			$	11,005			$	25,402			$	14,495			$	9,120			$	23,615
Timing of revenue recognition
Products transferred at a point in time		$	11,988			$	11,005			$	22,993			$	11,038			$	9,120			$	20,158
Products and services transferred over time			2,409				—				2,409				3,457				—				3,457
Total		$	14,397			$	11,005			$	25,402			$	14,495			$	9,120			$	23,615

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

		March 31, 2021 (unaudited)				December 31, 2020
Trade receivables		$	13,802			$	14,765
Unbilled receivables (associated with licensing and related revenue)			1,332				5,479
Unbilled receivables (associated with royalties)			9,497				10,980
Deferred revenues (short-term contract liabilities)			3,394				2,434

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

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