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Goodwill and Intangible Assets, Net
6 Months Ended
Jun. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets, Net
Goodwill and Intangible Assets, Net
Goodwill
Goodwill and changes in the carrying amount of goodwill were as follows:
 
(In thousands)
 
Balance at December 31, 2013
$
31,000

FX effects
(5
)
Balance at June 30, 2014
$
30,995


Intangible Assets, Net
The components of intangible assets, net were as follows:
 
 
June 30, 2014
 
December 31, 2013
(In thousands)
Gross (1)
 
Accumulated
Amortization (1)
 
Net
 
Gross (1)
 
Accumulated
Amortization (1)
 
Net
Distribution rights
$
392

 
$
(52
)
 
$
340

 
$
395

 
$
(52
)
 
$
343

Patents
9,315

 
(4,509
)
 
4,806

 
8,879

 
(4,251
)
 
4,628

Trademark and trade names
2,838

 
(1,549
)
 
1,289

 
2,841

 
(1,411
)
 
1,430

Developed and core technology
3,508

 
(1,257
)
 
2,251

 
3,506

 
(1,140
)
 
2,366

Capitalized software development costs
340

 
(207
)
 
133

 
311

 
(133
)
 
178

Customer relationships
26,418

 
(9,661
)
 
16,757

 
26,406

 
(8,388
)
 
18,018

Total intangible assets, net
$
42,811

 
$
(17,235
)
 
$
25,576

 
$
42,338

 
$
(15,375
)
 
$
26,963

 
(1) 
This table excludes the gross value of fully amortized intangible assets totaling $6.7 million and $6.6 million on June 30, 2014 and December 31, 2013, respectively.
Amortization expense is recorded in selling, general and administrative expenses, except amortization expense related to capitalized software development costs which is recorded in cost of sales. Amortization expense by income statement caption was as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
2014
 
2013
 
2014
 
2013
Cost of sales
$
37

 
$
51

 
$
74

 
$
143

Selling, general and administrative
997

 
973

 
1,983

 
1,945

Total amortization expense
$
1,034

 
$
1,024


$
2,057


$
2,088


 
Estimated future amortization expense related to our intangible assets at June 30, 2014, is as follows:
 
(In thousands)
 
2014 (remaining 6 months)
$
2,057

2015
3,980

2016
3,934

2017
3,912

2018
3,892

Thereafter
7,801

Total
$
25,576


We recorded immaterial impairment charges related to our intangible assets for the six months ended June 30, 2014 and 2013. Impairment charges are recorded in selling, general and administrative expenses as a component of amortization expense, except impairment charges related to capitalized software development costs which are recorded in cost of sales. Quoted prices for identical or similar patents, trademarks and trade names are unavailable. The fair value of intangible assets is based upon management's judgment. Management believes that the net book value represents the fair value of our patents, trademarks and trade names.