Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Intangible Assets [Abstract]

Summary of company's intangible assets

	December 31, 2011							December 31, 2010
	Cost		Accumulated Amortization			Net Carrying Amount		Cost		Accumulated Amortization			Net Carrying Amount
	(In thousands)
Technology	$	4,010	$	(3,202	)	$	808	$	4,010	$	(2,505	)	$	1,505
Customer relationships		3,530		(1,999	)		1,531		3,530		(1,584	)		1,946
Non-competition agreements		1,260		(962	)		298		1,260		(710	)		550
Tradenames		590		(467	)		123		590		(363	)		227
Total	$	9,390	$	(6,630	)	$	2,760	$	9,390	$	(5,162	)	$	4,228