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Inventories (Tables)
6 Months Ended
Jun. 30, 2017
Inventory, Gross [Abstract]  
Components of Inventories
 
June 30, 2017
 
December 31, 2016
Raw materials and supplies
689

 
$
658

Work in process
154

 
116

Finished goods
647

 
471

 
$
1,490

 
$
1,245