Intangible Assets

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets consist of the following (in thousands):

	December 31,
	2014			2013
Patents and trademarks	$	6,469		$	5,423
Software licenses	393			414
	6,862			5,837
Less accumulated amortization	(3,004		)	(2,764		)
	$	3,858		$	3,073

The Company recorded amortization expense of $612,000, $528,000 and $445,000 during the years ended December 31, 2014, 2013 and 2012, respectively.

The expected amortization for each of the next five years as of December 31, 2014 is as follows (in thousands):

2015	$	590
2016	541
2017	492
2018	479
2019	382
Thereafter	1,374
	$	3,858