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Components of Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Comprehensive Income (Loss) [Line Items]        
Net Income/Loss $ 214 $ 4,240 $ (15,786) $ (6,335)
Other comprehensive income (loss):        
Foreign currency translation adjustment 85 19 33 (37)
Comprehensive income/(loss) $ 299 $ 4,259 $ (15,753) $ (6,372)