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Geographic Sales Information (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Schedule of Revenue by Geographic Area

The Company’s revenues are substantially denominated in U.S. dollars and are summarized geographically as follows:

 

    Year ended December 31,  
    2016     2015     2014  
United States   $ 31,838     $ 39,563     $ 39,837  
All other countries     16,799       18,233       18,072  
Total   $ 48,637     $ 57,796     $ 57,909