Quarterly report pursuant to sections 13 or 15(d)

4. DERIVATIVES (Tables)

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4. DERIVATIVES (Tables)
3 Months Ended
Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivatives not designated as hedging instruments

        Realized Gains (Losses)  
        Three Months Ended March 31,  
Type of Instrument   Statements of Operations Location   2014     2013  
Commodity contracts   Cost of goods sold   $ 84   $ (73 )

  

        Unrealized Gains (Losses)  
        Three Months Ended March 31,  
Type of Instrument   Statements of Operations Location   2014     2013  
Commodity contracts   Cost of goods sold   $ (14 )   $ 68