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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2011
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets
 
(6)
Goodwill and Intangible Assets

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

Balance as of January 1, 2010
 $36,360 
Acquisition of business
  3,469 
Translation effect
  (2,135)
Balance as of December 31, 2010
  37,694 
Translation effect
  (963)
Balance as of December 31, 2011
 $36,731 
 
Acquired intangible assets, which are amortized, consist of the following:

     
As of December 31, 2011
 
 
Amortization
Period
 
Gross Carrying
 Amount
  
Accumulated
Amortization
  
Net Carrying
Amount
 
             
Technology-based intangibles
20 years
 $3,933  $(344) $3,589 
Customer-related intangibles
10 - 15 years
  763   (91)  672 
     $4,696  $(435) $4,261 


     
As of December 31, 2010
 
 
Amortization
Period
 
Gross Carrying
 Amount
  
Accumulated
Amortization
  
Net Carrying
Amount
 
             
Technology-based intangibles
20 years
 $4,062  $(153) $3,909 
Customer-related intangibles
10 - 15 years
  828   (50)  778 
     $4,890  $(203) $4,687 
 
The change in the gross carrying amount is primarily due to the impact of foreign currency.

Amortization expense amounted to $298 and $196 for the years ended December 31, 2011 and 2010 and was immaterial for the year ended December 31, 2009.

Amortization expense related to current intangible assets is expected to be approximately $264 in each of the next five years.