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Note 11. Geographic Operating Information (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Revenue based on geographic region
   Year Ended
   2016  2015
Geographic region          
North America  $10,492,799   $9,520,523 
Europe   1,566,067    2,099,360 
Total revenues  $12,058,866   $11,619,883