Quarterly report pursuant to sections 13 or 15(d)

4. DERIVATIVES (Tables)

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4. DERIVATIVES (Tables)
 6 Months Ended
Jun. 30, 2013
Derivative Asset, Fair Value, Amount Not Offset Against Collateral [Abstract]  
Derivatives not designated as hedging instruments

          Realized Gains (Losses)  
          Three Months Ended June 30,  
Type of Instrument   Statements of Operations Location     2013       2012  
Commodity contracts   Cost of goods sold   $ (29 )   $ 265  
        $ (29 )   $ 265  

 

          Unrealized Losses  
          Three Months Ended June 30,  
Type of Instrument   Statements of Operations Location     2013       2012  
Commodity contracts   Cost of goods sold   $ (450 )   $ (145 )
        $ (450 )   $ (145 )

 

          Realized Gains (Losses)  
          Six Months Ended June 30,  
Type of Instrument   Statements of Operations Location     2013       2012  
Commodity contracts   Cost of goods sold   $ (102 )   $ 163  
        $ (102 )   $ 163  

 

          Unrealized Gains (Losses)  
          Six Months Ended June 30,  
Type of Instrument   Statements of Operations Location     2013       2012  
Commodity contracts   Cost of goods sold   $ (382 )   $ (91 )
        $ (382 )   $ (91 )