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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2017
Stock-Based Compensation [Abstract]  
Schedule of compensation expense
  December 31, 
  2017  2016 
Stock-based compensation costs included in:        
Costs of sales $6  $1 
Sales and marketing expense  76   74 
General and administrative expense  202   198 
Total stock-based compensation expense $284  $273 
Schedule of weighted average assumptions
Risk-free interest rate  1.14% 
Expected term  6.25 years 
Expected price volatility  47.89% 
Dividend yield  0%