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FAIR VALUE OF FINANCIAL INSTRUMENTS (Effect of Derivative Instruments on Condensed Statements of Operations) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]        
Realized Gain or (Loss) on Derivatives Recognized in Income $ 17,110 $ (196,150) $ 2,485,620 $ 2,543,710
Change in Unrealized Gain or (Loss) on Derivatives Recognized in Income     (1,612,110) (599,230)
Commodity Contracts [Member] | Futures [Member] | Realized gain on closed positions
       
Derivative Instruments, Gain (Loss) [Line Items]        
Realized Gain or (Loss) on Derivatives Recognized in Income     2,485,620 2,543,710
Commodity Contracts [Member] | Futures [Member] | Change in unrealized gain on open positions
       
Derivative Instruments, Gain (Loss) [Line Items]        
Change in Unrealized Gain or (Loss) on Derivatives Recognized in Income     $ (1,612,110) $ (599,230)