Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets [Abstract]

Summary of company's intangible assets

	December 31, 2012							December 31, 2011
			Accumulated			Net Carrying				Accumulated			Net Carrying
	Cost		Amortization			Amount		Cost		Amortization			Amount
	(In thousands)
Technology	$	4,010	$	(3,892	)	$	118	$	4,010	$	(3,202	)	$	808
Customer relationships		3,530		(2,364	)		1,166		3,530		(1,999	)		1,531
Non-competition agreements		1,260		(1,214	)		46		1,260		(962	)		298
Tradenames		590		(570	)		20		590		(467	)		123
Total	$	9,390	$	(8,040	)	$	1,350	$	9,390	$	(6,630	)	$	2,760