Note 4 - Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Remainder of 2019		2020		2021
License and related revenues	$	5,262	$	7,884	$	1,780

Disaggregation of Revenue [Table Text Block]

	Nine months ended September 30, 2019 (unaudited)						Three months ended September 30, 2019 (unaudited)
	Licensing and related revenues		Royalties		Total		Licensing and related revenues		Royalties		Total
Primary geographical markets
United States	$	6,809	$	904	$	7,713	$	3,450	$	361	$	3,811
Europe and Middle East		2,848		10,397		13,245		1,241		5,670		6,911
Asia Pacific		23,427		14,455		37,882		6,578		6,171		12,749
Total	$	33,084	$	25,756	$	58,840	$	11,269	$	12,202	$	23,471
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS)	$	23,324	$	23,100	$	46,424	$	8,608	$	10,424	$	19,032
Smart sensing products (AI, audio/sound and imaging and vision)		9,760		2,656		12,416		2,661		1,778		4,439
Total	$	33,084	$	25,756	$	58,840	$	11,269	$	12,202	$	23,471
Timing of revenue recognition
Products transferred at a point in time	$	22,775	$	25,756	$	48,531	$	7,468	$	12,202	$	19,670
Products and services transferred over time		10,309		—		10,309		3,801		—		3,801
Total	$	33,084	$	25,756	$	58,840	$	11,269	$	12,202	$	23,471

	N ine months ended September 30, 2018 (unaudited)						Three months ended September 30, 2018 (unaudited)
	Licensing and related revenues		Royalties		Total		Licensing and related revenues		Royalties		Total
Primary geographical markets
United States	$	4,667	$	1,420	$	6,087	$	1,483	$	776	$	2,259
Europe and Middle East		3,286		8,019		11,305		534		5,605		6,139
Asia Pacific		21,954		17,130		39,084		7,769		5,246		13,015
Total	$	29,907	$	26,569	$	56,476	$	9,786	$	11,627	$	21,413
Major product/service lines
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS)	$	21,769	$	25,065	$	46,834	$	8,210	$	11,189	$	19,399
Smart sensing products (AI, audio/sound and imaging and vision)		8,138		1,504		9,642		1,576		438		2,014
Total	$	29,907	$	26,569	$	56,476	$	9,786	$	11,627	$	21,413
Timing of revenue recognition
Products transferred at a point in time	$	22,163	$	26,569	$	48,732	$	6,878	$	11,627	$	18,505
Products and services transferred over time		7,744		—		7,744		2,908		—		2,908
Total	$	29,907	$	26,569	$	56,476	$	9,786	$	11,627	$	21,413

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

	September 30, 2019 (unaudited)		December 31, 2018
Trade receivables	$	7,967	$	9,971
Unbilled receivables (associated with licensing and related revenue)		7,985		6,745
Unbilled receivables (associated with royalties)		10,861		9,440
Deferred revenues (short-term contract liabilities)		4,766		3,593