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Other Income (Expense), Net (Tables)
12 Months Ended
Dec. 31, 2014
Other Income and Expenses [Abstract]  
Components of Other Income

The major changes in the components of other income (expense), net for the years ended December 31 were as follows (in thousands):

 

     2014      2013      2012  

Interest income

   $ 80      $ 97      $ 136  

Foreign currency losses, net

     (196      (94      (46

Gain on disposal of equipment

     22        26        33  

Credit gains (losses) on available for sale securities

     311        (78      (9

Other

     51        51        80  
  

 

 

    

 

 

    

 

 

 
$ 268   $ 2   $ 194