Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The estimated useful lives and carrying value of acquired intangible assets are as follows:

		September 30, 2014						December 31, 2013
(in thousands)	Range of Useful Life (years)	Gross  Carrying  Amount		Accumulated Amortization		Net  Carrying  Amount		Gross  Carrying  Amount		Accumulated Amortization		Net  Carrying  Amount
Developed technology	4 to 7	$	2,710	$	1,583	$	1,127	$	1,880	$	1,264	$	616
Customer relationships	7 to 9	2,520		1,653		867		2,350		1,449		901
Non-compete agreements	2 to 4	460		50		410		70		70		—
Trademarks and trade names	4 to 7	110		58		52		70		43		27
Intangible assets - finite life		5,800		3,344		2,456		4,370		2,826		1,544
In-process research and development	n/a	940		—		940		—		—		—
Intangible assets, net book value		$	6,740	$	3,344	$	3,396	$	4,370	$	2,826	$	1,544

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Amortization of acquired intangible assets is reflected in the cost of revenue or operating expenses, depending on the nature of the intangible. The estimated future amortization of existing acquired intangible assets as of September 30, 2014 , excluding in-process R&D, was as follows:

(in thousands)	Future amortization
2014 (three months remaining)	$	225
2015	727
2016	562
2017	394
2018	275
2019	229
Thereafter	44
Future amortization expense	$	2,456