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Changes in Accumulated Other Comprehensive Loss by Component (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning Balance     $ (64)  
Other comprehensive income (loss) 11 (6) 7 (17)
Ending Balance (57)   (57)  
Foreign Currency
       
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning Balance     (64)  
Other comprehensive income (loss)     7  
Ending Balance $ (57)   $ (57)