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Identifiable Intangible Assets and Goodwill
6 Months Ended
Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]  
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill and Purchased Intangible Assets
Goodwill
The changes in the carrying amount of goodwill are as follows:
Balance at December 31, 2012
 
$
15,361

Goodwill acquired during period
 
6,989

Other, primarily currency translation
 
203

Balance at December 31, 2013
 
$
22,553

Goodwill acquired during period
 

Other
 
(58
)
Balance at June 30, 2014
 
$
22,495



Purchased Intangible Assets
Purchased intangible assets as of  June 30, 2014 and December 31, 2013 are as follows:


Gross Carrying Amount

Accumulated Amortization

Net
June 30, 2014







 

Finite-lived intangibles:
 
 
 
 
 
 
Developed technology

$
59,831


$
52,569


$
7,262

Customer and distributor relationships

9,560


7,639


1,921

Trade names

4,361


3,420


941

Total identifiable intangible assets

$
73,752


$
63,628


$
10,124

December 31, 2013

 


 


 

Finite-lived intangibles:
 
 
 
 
 
 
Developed technology

$
59,831


$
51,496


$
8,335

Customer and distributor relationships

9,560


7,449


2,111

Trade names

4,361


3,343


1,018

Total identifiable intangible assets

$
73,752


$
62,288


$
11,464


Intangible asset amortization expense for the three and six months ended June 30, 2014 was $670 and $1,340, respectively. For the three and six months ended June 30, 2013, intangible assets amortization expense was $648 and $1,264, respectively. Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, estimated amortization expense for the remainder of 2014 will be $1,081, and for each of the next five years estimated amortization expense amounts to $2,050 for 2015, $1,941 for 2016, $1,553 for 2017, $1,117 for 2018, and $1,117 for 2019.