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COMPREHENSIVE INCOME
6 Months Ended
Jun. 30, 2011
COMPREHENSIVE INCOME
4. COMPREHENSIVE INCOME
     Comprehensive income was as follows for the periods indicated:
                                 
    Three Months     Three Months     Six Months     Six Months  
    Ended June 30,     Ended June 30,     Ended June 30,     Ended June 30,  
    2011     2010     2011     2010  
Net income
  $ 5,186     $ 1,298     $ 8,437     $ 1,575  
Unrealized holding gain (loss) on available-for-sale investments, net of tax
    25       2       15       (54 )
Foreign currency translation adjustment
    (17 )     (65 )     15       (48 )
 
                       
 
                               
Total comprehensive income
  $ 5,194     $ 1,235     $ 8,467     $ 1,473