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Segment and Enterprise-Wide Disclosures (Tables)
9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Net Sales to Unaffiliated Customers by Geography

 Net sales to unaffiliated customers by country were as follows:

 

     Three months ended      Nine months ended  
     September 30, 2014      September 30, 2014  
     2014      2013      2014      2013  
     (in thousands)  

United States

   $ 10,605       $ 9,506       $ 31,221       $ 28,820   

Germany

     1,789         1,805         5,551         5,166   

Japan

     581         609         1,704         1,779   

Other countries

     4,526         3,380         13,940         10,868   
  

 

 

    

 

 

    

 

 

    

 

 

 

Net Sales

   $ 17,501       $ 15,300       $ 52,416       $ 46,633