Note 6 - Intangible Assets (Tables)

12 Months Ended

Jan. 03, 2021

Notes Tables

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Amount
Annual Fiscal Years
2021		107
2022		107
2023		107
2024		107
2025		107
Thereafter		325
Total	$	860

Sensi ML [Member]

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	January 3, 2021
	Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		10	$	959	$	(192	)	$	767
Customer relationships		2		81		(81	)		—
Trade names and trade marks		10		116		(23	)		93
Total acquired identifiable intangible assets			$	1,156	$	(296	)	$	860

	December 29, 2019
	Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		10	$	959	$	(96	)	$	863
Customer relationships		2		81		(40	)		41
Trade names and trade marks		10		116		(12	)		104
Total acquired identifiable intangible assets			$	1,156	$	(148	)	$	1,008