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Note 7. Revenue (Tables)
9 Months Ended
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]  
Concentration of revenue as a percentage of total revenue
   Three months ended September 30,
Revenue Streams  2019  2018
Platform and Technology  $2,712    67.5%  $2,085    64.1%
Services   1,307    32.5%   1,170    35.9%
Total  $4,019    100.0%  $3,255    100.0%

 

   Nine months ended September 30,
Revenue Streams  2019  2018
Platform and Technology  $8,038    65.2%  $6,363    60.1%
Services   4,298    34.8%   4,221    39.9%
Total  $12,336    100.0%  $10,584    100.0%
Revenue by geographic region
   Three months ended  Nine months ended
   September 30,  September 30,
   2019  2018  2019  2018
Geographic region                    
North America  $3,908   $3,078   $11,928   $10,000 
Europe   111    177    408    584 
Total revenues  $4,019   $3,255   $12,336   $10,584