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Inventories (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Schedule of inventories

   September 30,   December 31, 
   2019   2018 
Finished products  $2,208   $2,240 
Raw materials   772     
   $2,980   $2,240 

   December 31, 
   2018   2017 
Finished products  $2,240   $3,643 
           
   $2,240   $3,643