Goodwill and Other Intangible Assets

The Company's goodwill was $11.1 million as of March 31, 2013 and December 31, 2012.

The Company's intangible assets and related accumulated amortization as of March 31, 2013 and December 31, 2012 consisted of the following (in thousands):



		March 31, 2013							December 31, 2012
	Useful Life	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Customer list	10 years	$	1,000.0	$	(220.1	)	$	779.9	$	1,000.0	$	(195.1	)	$	804.9
Manufacturing technology	10 years	3,900.0		(858.4		)	3,041.6		3,900.0		(760.9		)	3,139.1
Tradename	10 years	800.0		(176.1		)	623.9		800.0		(156.1		)	643.9
In process R&D	Indefinite	9,400.0		—			9,400.0		9,400.0		—			9,400.0
VSEL patent rights	19 years	669.0		(184.9		)	484.1		669.0		(176.1		)	492.9
Total Intangible Assets		$	15,769.0	$	(1,439.5	)	$	14,329.5	$	15,769.0	$	(1,288.2	)	$	14,480.8

Total intangible amortization expense was classified in the operating expense categories for the periods included below as follows (in thousands):



	Three Months Ended March 31,
	2013		2012
Cost of revenue	$	97.5	$	97.5
Research and development	8.8		8.8
Selling, general and administrative	45.0		45.0
Total	$	151.3	$	151.3

Estimated intangible amortization expense on an annual basis for the succeeding five years is as follow (in thousands):



2013	$	453.9
2014	605.2
2015	605.2
2016	605.2
2017	605.2
Thereafter	11,454.8
	$	14,329.5