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Property And Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Property Plant And Equipment [Abstract]    
Land $ 2,850 $ 2,850
Buildings and improvements 4,345 3,498
Furniture and fixtures 3,800 3,301
Computer hardware and software 3,824 3,387
Machinery and equipment 9,438 7,428
Construction in progress 789 640
Property and equipment, gross 25,046 21,104
Less accumulated depreciation (8,887) (7,085)
Property and equipment $ 16,159 $ 14,019