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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Loss    
Cumulative foreign currency translation adjustments $ (2,380) $ (1,854)
Net unrealized gain (loss) on securities available for sale, net of tax 411 (87)
Total accumulated other comprehensive income (loss) $ (1,969) $ (1,941)