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Fair Value Of Financial Instruments (Details 1) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value Disclosures [Line Items]    
Derivatives not Accounted for as Hedging Instruments Futures - Commodity Contracts  
Condensed Statements of Financial Condition Location Assets  
Fair value $ 28,670 $ 739,330