Intangibles and Other Assets (Tables)

6 Months Ended

Jun. 30, 2012

Intangibles and Other Assets [Abstract]

Schedule of intangibles and other assets

	June 30, 2012			December 31, 2011
	(In thousands)
Patents and trademarks	$	24,987		$	23,617
Other assets		191			204
Gross intangibles and other assets		25,178			23,821
Accumulated amortization of patents and trademarks		(10,245	)		(9,768	)
Intangibles and other assets, net	$	14,933		$	14,053

Schedule of amortization of intangibles

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	(In thousands)				(In thousands)
Amortization of Intangibles - excluding impairments or abandonments	$	272	$	217	$	514	$	414

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

	Estimated Amortization Expense
	(In thousands)
Remainder of 2012	$	486
2013		961
2014		854
2015		787
2016		717
Thereafter		1,935
Total	$	5,740

Schedule of patents in process

	June 30, 2012		December 31, 2011
	(In thousands)
Patents in process	$	9,002	$	8,448