Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets. The changes in the carrying amount of goodwill for the nine months ended September 30, 2011, are as follows (in thousands):



	2011
Goodwill balance at January 1	$	58,675
Changes as the result of acquisitions (see Note 6)	2,469
Goodwill balance at September 30	$	61,144

Intangible assets at September 30, 2011 and December 31, 2010, consisted of the following (in thousands):



	September 30, 2011							December 31, 2010
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount

Patents	$	6,190	$	(1,632	)	$	4,558	$	4,631	$	(1,445	)	$	3,186
Distribution agreement	2,426		(835		)	1,591		2,426		(641		)	1,785
License agreements	1,983		(414		)	1,569		1,833		(352		)	1,481
Trademark	5,767		(922		)	4,845		5,761		(636		)	5,125
Developed technology	40,386		(4,125		)	36,261		36,574		(2,301		)	34,273
In-process technology	400		—			400		400		—			400
Covenant not to compete	315		(98		)	217		315		(67		)	248
Customer lists	14,308		(5,205		)	9,103		13,973		(3,287		)	10,686
Royalty agreements	267		(267		)	—		267		(267		)	—

Total	$	72,042	$	(13,498	)	$	58,544	$	66,180	$	(8,996	)	$	57,184

The aggregate amortization expense was approximately $1.4 million and $4.5 million for the three and nine-month periods ended September 30, 2011, respectively, and approximately $1.0 million and $2.3 million for the three and nine-month periods ended September 30, 2010, respectively.

Estimated amortization expense for our intangible assets for the next five years consisted of the following (in thousands):



Remaining 2011	$	1,507
2012	5,306
2013	5,114
2014	4,777
2015	4,514

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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