Intangible Assets, Net (Tables)

12 Months Ended

Jan. 03, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets, net consisted of the following at January 3, 2020 and December 28, 2018 (in thousands):

	2019							2018
Long-lived amortized intangible assets	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Patents and licenses	$	9,353	$	(9,057	)	$	296	$	9,257	$	(9,014	)	$	243

Finite-lived Intangible Assets Amortization Expense

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

	Years Ended
	2019		2018		2017
Amortization expense	$	34	$	34	$	221

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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

Year Ended	Amount
2020	$	35
2021		35
2022		35
2023		35
2024		35
Thereafter		121
Total	$	296