Note 10 - Information Concerning Product Lines, Geographic Information and Revenue Concentration (Tables)

6 Months Ended

Jul. 04, 2021

Notes Tables

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended				Six Months Ended
	July 4,		June 28,		July 4,		June 28,
	2021		2020		2021		2020
New products	$	1,262	$	820	$	2,337	$	1,306
Mature products		1,620		1,376		2,785		3,048
Total revenue	$	2,882	$	2,196	$	5,122	$	4,354

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Three Months Ended				Six Months Ended
	July 4,		June 28,		July 4,		June 28,
	2021		2020		2021		2020
Asia Pacific (1)	$	1,075	$	779	$	1,828	$	1,185
North America (2)		565		1,282		1,824		2,234
Europe		1,242		135		1,470		935
Total revenue	$	2,882	$	2,196	$	5,122	$	4,354

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	Three Months Ended						Six Months Ended
	July 4,			June 28,			July 4,			June 28,
	2021			2020			2021			2020
Distributor "A"		14	%		25	%		13	%		31	%
Distributor "C"		*			*			16	%		17	%
Distributor "E"		29	%		29	%		29	%		21	%
Customer "B"		*			12	%		*			13	%
Customer "E"		35	%		*			20	%		*
Customer "F"		29	%		29	%		29	%		21	%
Customer "M"		*			12	%		*			*

	July 4,			January 3,
	2021			2021
Distributor "A"		11	%		*
Distributor "C"		10	%		*
Distributor "E"		22	%		*
Distributor "P"		*			67	%
Distributor "Q"		*			10	%
Distributor "J"		51	%		*