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GOODWILL
 12 Months Ended
Dec. 31, 2011
GOODWILL.  
GOODWILL

9.                                     GOODWILL

 

Changes in the carrying amount of goodwill for the years ended December 31, 2009, 2010 and 2011, consisted of the followings:

 

 

 

December 31,

 

 

 

2010

 

2011

 

 

 

 

 

 

 

Beginning balance

 

$

3,788

 

$

3,918

 

Goodwill acquired in acquisitions of business

 

—

 

458

 

Exchange difference

 

130

 

204

 

Ending balance

 

3,918

 

4,580

 

 

The Group performs their annual impairment test for Goodwill on December 31 of each year.  Based on the results of the impairment test, there was no impairment of goodwill during the years ended December 31, 2009, 2010 and 2011, respectively.