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Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]    
Machinery, furniture and equipment $ 79,132 $ 75,896
Leasehold improvements 26,959 26,334
Building and improvements 1,604 1,604
Construction in progress 104 920
Land 100 100
Property plant and equipment gross 107,899 104,854
Less: accumulated depreciation and amortization (80,201) (73,208)
Total $ 27,698 $ 31,646