Goodwill and Intangible Assets Goodwill and Intangible Assets (tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill for the years ended December 31, 2011 and 2010, are as follows (in thousands):

	2011			2010
Goodwill balance at January 1	$	58,675		$	33,002
Impairment charge	—			(8,343		)
Adjustment related to previous acquisitions	(228		)	—
Additions as the result of acquisitions	2,697			34,016
Goodwill balance at December 31	$	61,144		$	58,675

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

Other intangible assets at December 31, 2011 and 2010, consisted of the following (in thousands):

	2011
	Gross					Net
	Carrying Amount		Accumulated Amortization			Carrying Amount
Patents	$	6,455	$	(1,704	)	$	4,751
Distribution agreement	2,426		(900		)	1,526
License agreements	1,983		(436		)	1,547
Trademark	5,746		(1,014		)	4,732
Covenant not to compete	315		(108		)	207
Customer lists	14,277		(5,786		)	8,491
Royalty agreements	267		(267		)	—
Total	$	31,469	$	(10,215	)	$	21,254

	2010
	Gross					Net
	Carrying Amount		Accumulated Amortization			Carrying Amount
Patents	$	4,631	$	(1,445	)	$	3,186
Distribution agreement	2,426		(641		)	1,785
License agreements	1,833		(352		)	1,481
Trademark	5,761		(636		)	5,125
In-process research and development	400		—			400
Covenant not to compete	315		(67		)	248
Customer lists	13,973		(3,287		)	10,686
Royalty agreements	267		(267		)	—
Total	$	29,606	$	(6,695	)	$	22,911

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

Estimated amortization expense for the intangible assets for the next five years consists of the following as of December 31, 2011 (in thousands):

Year Ending December 31
2012	$	5,767
2013	5,550
2014	5,090
2015	4,818
2016	4,811