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Property And Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Property And Equipment [Abstract]    
Land $ 2,850 $ 2,850
Buildings and improvements 5,019 4,999
Furniture and fixtures 5,448 4,680
Computer hardware and software 6,501 6,773
Machinery and equipment 14,237 13,868
Construction in progress 523 1,218
Property and equipment, gross 34,578 34,388
Less accumulated depreciation (17,367) (16,987)
Property and equipment $ 17,211 $ 17,401