Intangible Assets - (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of 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

Schedule of Intangible Assets, Future Amortization

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