Goodwill and acquisition-related intangibles (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Components of acquisition-related intangible assets are as follows:

	Amortization	March 31, 2015						December 31, 2014
	Period	Gross Carrying		Accumulated				Gross Carrying		Accumulated
	(Years)	Amount		Amortization		Net		Amount		Amortization		Net
Developed technology	5 - 10	$	2,132	$	766	$	1,366	$	2,135	$	714	$	1,421
Customer relationships	8		810		355		455		810		330		480
Other intangibles	5		3		2		1		3		2		1
Total		$	2,945	$	1,123	$	1,822	$	2,948	$	1,046	$	1,902