Intangible Assets Intangible Assets

3 Months Ended

Apr. 02, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

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



	April 2, 2016			January 2, 2016
Patents	$	18,633		$	21,619
Customer relationships	7,669			7,669
Licenses⁽¹⁾	7,500			—
Acquired technology	5,580			5,580
Trademarks	3,704			3,944
Capitalized software development costs	2,539			2,539
Other	2,535			2,541
Total intangible assets	48,160			43,892
Accumulated amortization	(19,334		)	(16,336		)
Intangible assets, net	$	28,826		$	27,556


⁽¹⁾	As a result of the deconsolidation of our prior VIE, Cercacor, $7.5 million of licenses that were previously eliminated in consolidation are now included as part of the Company’s intangible assets at April 2, 2016.

Total amortization expense for the three months ended April 2, 2016 and April 4, 2015 was $0.9 million and $1.2 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
2016 (balance of year)	$	4,125
2017	3,865
2018	3,656
2019	3,272
2020	3,019
Thereafter	10,889
Total	$	28,826