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Balance Sheet Information (Details 7) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Accumulated Other Comprehensive Income    
Gross $ 4,607 $ 5,831
Taxes 14 142
Net 4,621 5,973
Translation adjustment
   
Accumulated Other Comprehensive Income    
Gross 5,718 7,040
Taxes (392) (339)
Net 5,326 6,701
Minimum pension liability
   
Accumulated Other Comprehensive Income    
Gross (1,160) (1,285)
Taxes 424 510
Net (736) (775)
Unrealized gain on available for sale securities
   
Accumulated Other Comprehensive Income    
Gross 49 76
Taxes (18) (29)
Net $ 31 $ 47