Intangible Assets, Net (Tables)

12 Months Ended

Dec. 30, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets, net consisted of the following (in thousands):

	2022							2021
Long-lived amortized intangible assets	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Patents and licenses	$	9,240	$	(9,067	)	$	173	$	9,315	$	(9,097	)	$	218

Finite-lived Intangible Assets Amortization Expense

Amortization expense for intangible assets were as follows (in thousands):

	Years Ended
	2022		2021		2020
Amortization expense	$	28	$	34	$	35

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Future amortization of intangible assets is as follows (in thousands):

Year Ended	Amount
2023	$	28
2024		28
2025		28
2026		28
2027		28
Thereafter		33
Total	$	173