Intangible Assets Intangible Assets

6 Months Ended

Jul. 04, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

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



	July 4, 2015			January 3, 2015
Patents	$	21,081		$	20,459
Customer relationships	7,669			7,669
Acquired technology	5,580			5,580
Trademarks	3,772			3,562
Capitalized software development costs	2,332			2,066
Other	2,527			1,450
Total cost	42,961			40,786
Accumulated amortization	(14,925		)	(13,015		)
Intangible assets, net	$	28,036		$	27,771

Total amortization expense for the six months ended July 4, 2015 and June 28, 2014 was $2.4 million and $1.7 million, respectively. All of these intangible assets have a 10 year weighted average amortization period. Estimated amortization expense for future fiscal years is as follows (in thousands):



Fiscal year	Amount
2015 (balance of year)	$	3,486
2016	3,181
2017	3,051
2018	2,558
2019	2,351
Thereafter	13,409
Total	$	28,036