Note 3 - Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Remainder of 2020		2021		2022
License and related revenues	$	8,383	$	3,186	$	330

Disaggregation of Revenue [Table Text Block]

	Six months ended June 30, 2020 (unaudited)						Three months ended June 30, 2020 (unaudited)
	Licensing and related revenues		Royalties		Total		Licensing and related revenues		Royalties		Total
Primary geographical markets
United States	$	4,749	$	1,170	$	5,919	$	1,967	$	657	$	2,624
Europe and Middle East		4,633		9,315		13,948		3,574		5,271		8,845
Asia Pacific		18,643		8,711		27,354		7,989		4,148		12,137
Total	$	28,025	$	19,196	$	47,221	$	13,530	$	10,076	$	23,606
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS)	$	22,858	$	15,285	$	38,143	$	11,931	$	8,243	$	20,174
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision)		5,167		3,911		9,078		1,599		1,833		3,432
Total	$	28,025	$	19,196	$	47,221	$	13,530	$	10,076	$	23,606
Timing of revenue recognition
Products transferred at a point in time	$	21,306	$	19,196	$	40,502	$	10,268	$	10,076	$	20,344
Products and services transferred over time		6,719		—		6,719		3,262		—		3,262
Total	$	28,025	$	19,196	$	47,221	$	13,530	$	10,076	$	23,606

	Six months ended June 30, 2019 (unaudited)						Three months ended June 30, 2019 (unaudited)
	Licensing and related revenues		Royalties		Total		Licensing and related revenues		Royalties		Total
Primary geographical markets
United States	$	3,359	$	543	$	3,902	$	1,866	$	257	$	2,123
Europe and Middle East		1,607		4,727		6,334		225		2,767		2,992
Asia Pacific		16,849		8,284		25,133		8,713		4,572		13,285
Total	$	21,815	$	13,554	$	35,369	$	10,804	$	7,596	$	18,400
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS)	$	14,716	$	12,676	$	27,392	$	8,085	$	7,055	$	15,140
Smart sensing products (AI, audio/sound and imaging and vision)		7,099		878		7,977		2,719		541		3,260
Total	$	21,815	$	13,554	$	35,369	$	10,804	$	7,596	$	18,400
Timing of revenue recognition
Products transferred at a point in time	$	15,307	$	13,554	$	28,861	$	7,396	$	7,596	$	14,992
Products and services transferred over time		6,508		—		6,508		3,408		—		3,408
Total	$	21,815	$	13,554	$	35,369	$	10,804	$	7,596	$	18,400

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

	June 30, 2020 (unaudited)		December 31, 2019
Trade receivables	$	7,055	$	11,066
Unbilled receivables (associated with licensing and related revenue)		4,765		5,269
Unbilled receivables (associated with royalties)		7,961		11,972
Deferred revenues (short-term contract liabilities)		3,821		3,642