Goodwill and Purchased Intangible Assets

12 Months Ended

Dec. 31, 2012

Identifiable Intangible Assets [Abstract]

Goodwill and Intangible Assets Disclosure [Text Block]

Intangible Assets:

Goodwill

The changes in the carrying amount of goodwill are as follows:



Balance at December 31, 2011	$	4,492
NanoPhotonics acquisition	4,154
Azores acquisition	2,725
Balance at December 31, 2012	$	11,371

Purchased Intangible Assets

Purchased intangible assets as of December 31, 2011 and 2012 are as follows:



	Gross Carrying Amount		Accumulated Amortization		Net
December 31, 2011
Developed technology	$	53,826	$	47,879	$	5,947
Customer and distributor relationships	7,446		6,905		541
Trade names	4,361		3,035		1,326
Total identifiable intangible assets	$	65,633	$	57,819	$	7,814

December 31, 2012
Developed technology	$	58,961	$	49,358	$	9,603
Customer and distributor relationships	8,712		7,102		1,610
Trade names	4,361		3,216		1,145
Total identifiable intangible assets	$	72,034	$	59,676	$	12,358

Intangible asset amortization expense amounted to $1,715, $1,757 and $1,853 for the years ended December 31, 2010, 2011 and 2012, respectively. Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, estimated amortization expense will be $2,464 for 2013, $2,205 for 2014, $1,833 for 2015, $1,725 for 2016, and $1,337 for 2017.

- 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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