Intangibles and Other Assets (Tables)

9 Months Ended

Sep. 30, 2012

Intangibles and Other Assets [Abstract]

Schedule of intangibles and other assets

	September 30, 2012			December 31, 2011
	(In thousands)
Patents and trademarks	$	25,754		$	23,617
Other assets		196			204
Gross intangibles and other assets		25,950			23,821
Accumulated amortization of patents and trademarks		(10,503	)		(9,768	)
Intangibles and other assets, net	$	15,447		$	14,053

Schedule of amortization of intangibles

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
	(In thousands)				(In thousands)
Amortization of Intangibles - excluding impairments or abandonments	$	264	$	333	$	777	$	747

Schedule of estimated remaining annual amortization expense for issued patents and trademarks

	Estimated Amortization Expense
	(In thousands)
Remainder of 2012	$	254
2013		1,024
2014		913
2015		839
2016		770
Thereafter		2,212
Total	$	6,012

Schedule of patents in process

	September 30, 2012		December 31, 2011
	(In thousands)
Patents in process	$	9,239	$	8,448