Intangible Assets (Tables)

12 Months Ended

Jan. 01, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Purchased Intangible Assets

The components of our purchased intangible assets as of January 1, 2022 are as follows (in thousands):

	Useful Lives	FY 2021 Annual Amortization		Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Useful Lives Remaining
Customer relations	15 Years	$	28	$	340	$	200	$	140	5.08 Years
Developed technology	7 Years		107		900		107		793	6.17 Years
Trade names	9 Years		28		300		28		272	8.17 Years
In-process R&D	7 Years		—		1,000		—		1,000	Not applicable
Patents	Varies		—		600		600		—	Varies
		$	163	$	3,140	$	935	$	2,205

The components of our purchased intangible assets as of January 2, 2021 are as follows (in thousands):

	Useful Lives	FY 2020 Annual Amortization		Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Useful Lives Remaining
Customer relations	15 Years	$	16	$	240	$	172	$	68	4.25 Years
Patents	Varies		—		600		600		—	Varies
		$	16	$	840	$	772	$	68

Estimated Future Amortization Expense for Purchased Intangible Assets

Estimated future amortization expense for purchased intangible assets is as follows (in thousands):

Fiscal Year:
2022	$	192
2023		192
2024		192
2025		180
2026		176
Thereafter		273
Total	$	1,205