Note 5 - Intangible Assets (Tables)

12 Months Ended

Jan. 01, 2023

Notes Tables

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

	Amount
Annual Fiscal Years
2023	$	107
2024		107
2025		107
2026		107
2027		107
Thereafter		110
Total	$	645

Sensi ML [Member]

Notes Tables

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

	January 1, 2023
	Remaining Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		6	$	959	$	(383	)	$	576
Customer relationships		—		81		(81	)		—
Trade names and trademarks		6		116		(47	)		69
Total acquired identifiable intangible assets			$	1,156	$	(511	)	$	645

	January 2, 2022
	Remaining Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		7	$	959	$	(288	)	$	672
Customer relationships		—		81		(81	)		—
Trade names and trademarks		7		116		(35	)		81
Total acquired identifiable intangible assets			$	1,156	$	(404	)	$	753