Goodwill and Other Intangibles (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Other Intangibles [Abstract]

Components of Company's identifiable intangible assets

The components of our identifiable intangible assets were as follows:

	September 30, 2012						December 31, 2011
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
	(in thousands)
Patents	$	2,635	$	1,207	$	1,428	$	2,546	$	909	$	1,637
Trademarks and technology licenses		1,155		796		359		1,154		723		431
Customer relationships		1,542		914		628		1,528		712		816
Other intangible assets		332		332		—		332		231		101
Total identifiable intangible assets	$	5,664	$	3,249	$	2,415	$	5,560	$	2,575	$	2,985

Amortization expense included in general and administrative expense

Amortization expense is included in general and administrative expense and is as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(in thousands)
Amortization expense	$	199	$	271	$	677	$	727

Estimated amortization expense for the remainder of 2012 and each of the five succeeding fiscal years

Estimated amortization expense for the remainder of 2012 and each of the five succeeding fiscal years is as follows:

	Year ending December 31,
	2012		2013		2014		2015		2016		2017
	(in thousands)
Amortization expense	$	194	$	738	$	577	$	377	$	280	$	61