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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Schedule of Income Tax Provisions from Continuing Operations        
Income (loss) from continuing operations before provision for income taxes $ (2,242) $ (1,061) $ (1,908) $ 878
Provision for income taxes $ (66) $ (267) $ (619) $ (861)
Effective tax rate (2.90%) (25.20%) 32.40% 98.10%