Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets [Abstract]

Summary of company's intangible assets

	September 30, 2012							December 31, 2011
	Cost		Accumulated Amortization			Net Carrying Amount		Cost		Accumulated Amortization			Net Carrying Amount
	(In thousands)
Technology	$	4,010	$	(3,726	)	$	284	$	4,010	$	(3,202	)	$	808
Customer relationships		3,530		(2,272	)		1,258		3,530		(1,999	)		1,531
Non-competition agreements		1,260		(1,152	)		108		1,260		(962	)		298
Tradenames		590		(545	)		45		590		(467	)		123
Total	$	9,390	$	(7,695	)	$	1,695	$	9,390	$	(6,630	)	$	2,760