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Accrued Expenses - Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Payables and Accruals [Abstract]    
Compensation and related taxes $ 4,519 $ 4,710
Income and other taxes 1,606 885
Professional fees 508 428
Restructuring charges 48  
Other 1,894 1,970
Total $ 8,670 $ 7,993