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Balance Sheet Information (Details 5) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Accumulated Other Comprehensive Income    
Gross $ 4,790 $ 4,607
Taxes 14 14
Net 4,804 4,621
Translation adjustment
   
Accumulated Other Comprehensive Income    
Gross 5,851 5,718
Taxes (392) (392)
Net 5,459 5,326
Minimum pension liability
   
Accumulated Other Comprehensive Income    
Gross (1,160) (1,160)
Taxes 424 424
Net (736) (736)
Unrealized gain on available for sale securities
   
Accumulated Other Comprehensive Income    
Gross 99 49
Taxes (18) (18)
Net $ 81 $ 31