Quarterly report pursuant to Section 13 or 15(d)

4. Derivatives (Tables)

v3.5.0.2
4. Derivatives (Tables)
 6 Months Ended
Jun. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivatives Not Designated as Hedging Instruments

    As of June 30, 2016
    Assets   Liabilities
Type of Instrument   Balance Sheet Location   Fair
Value		   Balance Sheet Location   Fair
Value
                     
Commodity contracts   Derivative instruments   $ 13,299   Derivative instruments   $ 12,166
        $ 13,299       $ 12,166

 

 

    As of December 31, 2015
    Assets   Liabilities
Type of Instrument   Balance Sheet Location   Fair
Value		   Balance Sheet Location   Fair
Value
                     
Commodity contracts   Derivative instruments   $ 2,081   Derivative instruments   $ 1,848
        $ 2,081       $ 1,848

 
Schedule of Recognized Gains (Losses) for Derivatives

 

    Realized Gains (Losses)  
      Three Months Ended June 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ (999 )   $ 264  
        $ (999 )   $ 264  
                     
   

Unrealized Gains (Losses)
        Three Months Ended June 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ 1,227     $ (552 )
        $ 1,227     $ (552 )
                     
   

Realized Gains (Losses)

  
        Six Months Ended June 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ (91 )   $ 149  
        $ (91 )   $ 149  
                     
   

Unrealized Gains (Losses)

  
        Six Months Ended June 30,
Type of Instrument   Statements of Operations Location   2016 2015
Commodity contracts   Cost of goods sold   $ 900     $ (626 )
        $ 900     $ (626 )