Note 6 - Intangible Assets (Tables)

12 Months Ended

Jan. 02, 2022

Notes Tables

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

	Amount
Annual Fiscal Years
2022		107
2023		107
2024		107
2025		107
2026		107
Thereafter		218
Total	$	753

Sensi ML [Member]

Notes Tables

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

	January 2, 2022
	Remaining Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		7	$	959	$	(287	)	$	672
Customer relationships		—		81		(81	)		—
Trade names and trademarks		7		116		(35	)		81
Total acquired identifiable intangible assets			$	1,156	$	(403	)	$	753

	January 3, 2021
	Remaining Useful Life		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		8	$	959	$	(192	)	$	767
Customer relationships		1		81		(81	)		—
Trade names and trademarks		8		116		(23	)		93
Total acquired identifiable intangible assets			$	1,156	$	(296	)	$	860