XML 21 R8.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories
 6 Months Ended
Jun. 30, 2017
Inventories  
Inventories

2.  Inventories

Major classes of inventory at June 30, 2017, December 31, 2016 and June 30, 2016 are as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

June 30,

 

December 31,

 

June 30,

 

 

 

    

2017

    

2016

    

2016

   

 

Finished goods

 

$

879

 

$

827

 

$

892

 

 

Raw materials

 

 

130

 

 

118

 

 

121

 

 

Operating supplies

 

 

40

 

 

38

 

 

38

 

 

 

 

$

1,049

 

$

983

 

$

1,051