Intangible Assets, Net (Tables)

12 Months Ended

Jan. 03, 2014

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 3, 2014						December 28, 2012
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Patents and licenses	$	10,637	$	(10,057)	$	580	$	10,786	$	(9,875)	$	911
Customer relationships		1,490		(894)		596		1,835		(917)		918
Developed technology		947		(743)		204		1,166		(853)		313
Total	$	13,074	$	(11,694)	$	1,380	$	13,787	$	(11,645)	$	2,142

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
2014	$	374
2015		241
2016		239
2017		235
2018		36
Thereafter		255
Total	$	1,380