Intangible Assets Intangible Assets (Tables)

6 Months Ended

Jul. 01, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

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

	July 1, 2017			December 31, 2016
Patents	$	20,275		$	19,950
Customer relationships	7,669			7,669
Licenses	7,500			7,500
Acquired technology	5,580			5,580
Trademarks	3,916			3,777
Capitalized software development costs	2,539			2,539
Other	3,680			3,674
Total intangible assets	51,159			50,689
Accumulated amortization	(23,060		)	(21,313		)
Intangible assets, net	$	28,099		$	29,376

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for future fiscal years is as follows (in thousands):

Fiscal year	Amount
2017 (balance of year)	$	5,244
2018	4,656
2019	3,574
2020	3,259
2021	2,482
Thereafter	8,884
Total	$	28,099