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New Accounting Pronouncements (Tables)
 12 Months Ended
Dec. 31, 2013
New Accounting Pronouncements  
Schedule of net of tax changes in accumulated other comprehensive income by component

The net of tax changes in accumulated other comprehensive income by component were as follows (in thousands):

 
   Foreign
Currency		   Available for
sale securities		   Total  

Other comprehensive income:

                    

Balance at December 31, 2011

   $ 1,203   $ 1,115   $ 2,318  

Foreign currency translation adjustment

     425     —     425  

Unrealized holding gains on corporate debt securities

     —     279     279  
               
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Ending balance at December 31, 2012

     1,628     1,394     3,022  

Foreign currency translation adjustment

     (1,245 )   —     (1,245 )

Unrealized holding losses on corporate debt securities

     —     (98 )   (98 )

Realized gain on redemption of corporate debt securities

     —     (1,296 )   (1,296 )
               
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Ending balance at December 31, 2013

   $ 383   $ —   $ 383  
               
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