Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Amortization Of Intangible Assets [Table Text Block]

The following table summarizes other intangible assets:

							Total Intangibles
	Patents and Other			Proprietary			and Proprietary
	Intangibles			Software			Software
	(in thousands)
December 31, 2010	$	2,048		$	1,414		$	3,462
Additions		-			-			-
Amortization		(284	)		(657	)		(941	)
December 31, 2011		1,764			757			2,521
Additions		-			-			-
Amortization		(275	)		(657	)		(932	)
December 31, 2012	$	1,489		$	100		$	1,589
Weighted-average remaining amortization period in years		5.3			0.1

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

As of December 31, 2012, we estimate future amortization expense of intangible assets to be (in thousands):

2013	$	378
2014		259
2015		244
2016		216
2017 and thereafter		492
Total future amortization expense	$	1,589