Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	2023		2024		2025
License, NRE and related revenues	$	15,531	$	739	$	559

Disaggregation of Revenue [Table Text Block]

	Year ended December 31, 2021						Year ended December 31, 2022
	Licensing, NRE and related revenues		Royalties		Total		Licensing, NRE and related revenues		Royalties		Total
Primary geographical markets
United States	$	16,685	$	10,033	$	26,718	$	20,995	$	7,100	$	28,095
Europe and Middle East		2,938		3,938		6,876		6,864		3,205		10,069
Asia Pacific		53,194		35,908		89,102		61,400		35,084		96,484
Other		10		—		10		—		—		—
Total	$	72,827	$	49,879	$	122,706	$	89,259	$	45,389	$	134,648
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT, and SATA/SAS)	$	52,460	$	36,960	$	89,420	$	62,376	$	33,891	$	96,267
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)		20,367		12,919		33,286		26,883		11,498		38,381
Total	$	72,827	$	49,879	$	122,706	$	89,259	$	45,389	$	134,648
Timing of revenue recognition
Products transferred at a point in time	$	53,401	$	49,879	$	103,280	$	62,328	$	45,389	$	107,717
Products and services transferred over time		19,426		—		19,426		26,931		—		26,931
Total	$	72,827	$	49,879	$	122,706	$	89,259	$	45,389	$	134,648

	Year ended December 31, 2020
	Licensing and related revenues		Royalties		Total
Primary geographical markets
United States	$	6,716	$	14,097	$	20,813
Europe and Middle East		6,176		5,790		11,966
Asia Pacific		39,621		27,926		67,547
Total	$	52,513	$	47,813	$	100,326
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
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)		11,765		9,896		21,661
Total	$	52,513	$	47,813	$	100,326
Timing of revenue recognition
Products transferred at a point in time	$	40,075	$	47,813	$	87,888
Products and services transferred over time		12,438		—		12,438
Total	$	52,513	$	47,813	$	100,326

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

	December 31, 2021		December 31, 2022
Trade receivables	$	14,644	$	12,297
Unbilled receivables (associated with licensing, NRE and related revenue)		1,833		8,695
Unbilled receivables (associated with royalties)		10,972		10,258
Deferred revenues (short-term contract liabilities)		8,661		3,168