Intangible Assets

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Intangible Assets

Intangible Assets

Intangible assets as of March 31, 2015 and December 31, 2014 consisted of the following:

	Estimated useful lives	March 31, 2015			December 31, 2014
Tradename	7 years	$	555		$	555
Patents and technological know-how	10 years	5,850			5,850
Proprietary software	3 to 15 years	4,341			4,341
Other	5 years	324			324
		11,070			11,070
Accumulated amortization		(3,489		)	(3,174		)
		$	7,581		$	7,896

The amortization of intangible assets for the three months ended March 31, 2015 and March 31, 2014 was as follows:

	Three months ended March 31,
	2015		2014
Amortization of intangible assets	$	315	$	169

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

Years ending December 31,
2015 (remainder)	$	943
2016	1,121
2017	925
2018	851
2019	778
Thereafter	2,963
	$	7,581