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Trade Accounts Receivable, Net (Tables)
 12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Trade Accounts Receivable, Net

Trade accounts receivable, net consisted of the following:

 

     December 31,
2018		      December 31,
2017		  

Trade accounts receivable

      1,292        1,164  

Allowance for doubtful accounts

      (15 )       (15 ) 
  

 

 

     

 

 

  

Total

      1,277        1,149