Intangible Assets, Net (Tables)

12 Months Ended

Jan. 01, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

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

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

	January 1, 2016						January 2, 2015
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Patents and licenses	$	9,207	$	(8,891)	$	316	$	9,205	$	(8,859)	$	346
Customer relationships		1,305		(1,044)		261		1,302		(911)		391
Developed technology		829		(740)		89		827		(694)		133
Total	$	11,341	$	(10,675)	$	666	$	11,334	$	(10,464)	$	870

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

The following table shows estimated amortization expense for intangible assets for each of the next five succeeding years and thereafter (in thousands):

Fiscal Year	Amount
2016	$	205
2017		205
2018		205
2019		51
Total	$	666