Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

Intangible assets as of December 31, 2014 and 2013 are as follows:

	December 31,
	2014			2013
Technology	$	19,683		$	20,081
Customer relationships		28,269			29,444
Intellectual property assets		8,359			7,829
Less: accumulated amortization		(53,860	)		(54,243	)
Intangible assets, net	$	2,451		$	3,111