Intangible Assets

3 Months Ended

Mar. 31, 2014

Business Combinations [Abstract]

Intangible Assets

Intangible Assets

Intangible assets as of March 31, 2014 and December 31, 2013 consisted of the following:

	Estimated useful lives	March 31, 2014			December 31, 2013
Tradename	7 years	$	435		$	435
Patents and technological know-how	10 years	5,310			2,070
Proprietary software	3 to 15 years	2,961			2,961
Other	5 years	238			208
		8,944			5,674
Accumulated amortization		(2,128		)	(1,964		)
		$	6,816		$	3,710

The amortization of intangible assets for the three months ended March 31, 2014 and March 31, 2013 was as follows:

	Three months ended March 31,
	2014		2013
Amortization of intangible assets	$	164	$	143

The estimated future amortization expense of intangible assets is as follows:

Years ending December 31,
2014 (remainder)	$	665
2015	847
2016	810
2017	721
2018	700
Thereafter	3,073
	$	6,816