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Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		2022				2023				2024
License, NRE and related revenues		$	26,628			$	1,318			$	306

Disaggregation of Revenue [Table Text Block]

		Year ended December 31, 2020												Year ended December 31, 2021
		Licensing and related revenues				Royalties				Total				Licensing, NRE and related revenues				Royalties				Total
Primary geographical markets
United States		$	6,716			$	14,097			$	20,813			$	16,685			$	10,033			$	26,718
Europe and Middle East			6,176				5,790				11,966				2,938				3,938				6,876
Asia Pacific			39,621				27,926				67,547				53,194				35,908				89,102
Other			—				—				—				10				—				10
Total		$	52,513			$	47,813			$	100,326			$	72,827			$	49,879			$	122,706
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT, and SATA/SAS)		$	40,748			$	37,917			$	78,665			$	52,460			$	36,960			$	89,420
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)			11,765				9,896				21,661				20,367				12,919				33,286
Total		$	52,513			$	47,813			$	100,326			$	72,827			$	49,879			$	122,706
Timing of revenue recognition
Products transferred at a point in time		$	40,075			$	47,813			$	87,888			$	53,401			$	49,879			$	103,280
Products and services transferred over time			12,438				—				12,438				19,426				—				19,426
Total		$	52,513			$	47,813			$	100,326			$	72,827			$	49,879			$	122,706

		Year ended December 31, 2019
		Licensing and related revenues				Royalties				Total
Primary geographical markets
United States		$	15,203			$	1,424			$	16,627
Europe and Middle East			5,282				16,211				21,493
Asia Pacific			27,405				21,627				49,032
Total		$	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)		$	36,471			$	34,206			$	70,677
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)			11,419				5,056				16,475
Total		$	47,890			$	39,262			$	87,152
Timing of revenue recognition
Products transferred at a point in time		$	33,794			$	39,262			$	73,056
Products and services transferred over time			14,096				—				14,096
Total		$	47,890			$	39,262			$	87,152

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

		December 31, 2020				December 31, 2021
Trade receivables		$	14,765			$	14,644
Unbilled receivables (associated with licensing, NRE and related revenue)			5,479				1,833
Unbilled receivables (associated with royalties)			10,980				10,972
Deferred revenues (short-term contract liabilities)			2,434				8,661

X

- 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=123351226&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=123351226&loc=SL49130545-203045

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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=123351226&loc=SL49130556-203045

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