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Inventories
3 Months Ended
Mar. 31, 2015
Inventories  
Inventories

3.  Inventories

 

Major classes of inventory are as follows:

 

 

 

March 31,

 

December 31,

 

March 31,

 

 

 

2015

 

2014

 

2014

 

Finished goods

 

$

858 

 

$

884 

 

$

1,037 

 

Raw materials

 

109 

 

110 

 

121 

 

Operating supplies

 

40 

 

41 

 

46 

 

 

 

 

 

 

 

 

 

 

 

$

1,007 

 

$

1,035 

 

$

1,204