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20. Fair Value Measurement (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Financial assets (liabilties):    
Commodity contracts $ (19,200) $ 6,950
FairValueInputsLevel1Member
   
Financial assets (liabilties):    
Commodity contracts (19,200) 6,950
FairValueInputsLevel2Member
   
Financial assets (liabilties):    
Commodity contracts 0 0
FairValueInputsLevel3Member
   
Financial assets (liabilties):    
Commodity contracts $ 0 $ 0