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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Net income (loss) $ (1,822) $ 1,622
Other comprehensive income:    
Unrealized gain on available-for-sale securities 964  
Reclassification of unrealized gain to a realized gain on available-for-sale securities (1,557)  
Foreign currency translation adjustments 3,433 3,451
Total other comprehensive income: 2,840 3,451
Comprehensive income $ 1,018 $ 5,073