Intangible Assets - Components of Purchased Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Components of purchased intangible assets
Annual Amortization	$ 228	$ 163
Gross Carrying Value	3,140	3,140
Accumulated Amortization	1,163	935
Net Carrying Value	$ 1,977	$ 2,205
Customer Relations
Components of purchased intangible assets
Useful Lives	15 years	15 years
Useful Lives Remaining	4 years 2 months 15 days	5 years 29 days
Annual Amortization	$ 30	$ 28
Gross Carrying Value	340	340
Accumulated Amortization	230	200
Net Carrying Value	$ 110	$ 140
Developed technology
Components of purchased intangible assets
Useful Lives	7 years	7 years
Useful Lives Remaining	6 years 1 month 6 days	6 years 2 months 1 day
Annual Amortization	$ 165	$ 107
Gross Carrying Value	1,900	900
Accumulated Amortization	272	107
Net Carrying Value	$ 1,628	$ 793
Trade names
Components of purchased intangible assets
Useful Lives	9 years	9 years
Useful Lives Remaining	7 years 2 months 1 day	8 years 2 months 1 day
Annual Amortization	$ 33	$ 28
Gross Carrying Value	300	300
Accumulated Amortization	61	28
Net Carrying Value	239	$ 272
In-process R&D
Components of purchased intangible assets
Useful Lives		7 years
Annual Amortization		$ 0
Gross Carrying Value		1,000
Accumulated Amortization
Net Carrying Value		1,000
Patents
Components of purchased intangible assets
Annual Amortization	0	0
Gross Carrying Value	600	600
Accumulated Amortization	600	600
Net Carrying Value	$ 0	$ 0