Goodwill and Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill were as follows:

(In thousands)
Balance at December 31, 2015	$	43,116
Foreign exchange effects	68
Balance at March 31, 2016	$	43,184

Schedule of Components of Intangible Assets

The components of intangible assets, net were as follows:

	March 31, 2016							December 31, 2015
(In thousands)	Gross (1)		Accumulated Amortization (1)			Net		Gross (1)		Accumulated Amortization (1)			Net
Distribution rights	$	327	$	(107	)	$	220	$	312	$	(96	)	$	216
Patents	11,468		(4,580		)	6,888		11,425		(4,737		)	6,688
Trademarks and trade names	2,400		(1,117		)	1,283		2,401		(1,053		)	1,348
Developed and core technology	12,585		(2,611		)	9,974		12,587		(2,144		)	10,443
Capitalized software development costs	235		(118		)	117		167		(97		)	70
Customer relationships	27,697		(14,244		)	13,453		27,715		(13,554		)	14,161
Total intangible assets, net	$	54,712	$	(22,777	)	$	31,935	$	54,607	$	(21,681	)	$	32,926

⁽¹⁾  This table excludes the gross value of fully amortized intangible assets totaling $9.4 million and $9.0 million at March 31, 2016 and December 31, 2015, respectively.

Intangible Assets Amortization Expense

Amortization expense by income statement caption was as follows:

	Three Months Ended March 31,
(In thousands)	2016		2015
Cost of sales	$	21	$	35
Selling, general and administrative expenses	1,533		1,004
Total amortization expense	$	1,554	$	1,039

Schedule of Estimated Future Amortization Expense

Estimated future annual amortization expense related to our intangible assets at March 31, 2016, is as follows:

(In thousands)
2016 (remaining 9 months)	$	4,778
2017	6,303
2018	6,250
2019	6,235
2020	5,495
Thereafter	2,874
Total	$	31,935