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FAIR VALUE OF FINANCIAL INSTRUMENTS (Valuation of Securities Using Fair Value Hierarchy) (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Short-Term Investments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value $ 12,510,595 $ 22,522,078
Exchange-Traded Futures Contracts [Member] | United States [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value (522,060) 1,090,050
Fair Value, Inputs, Level 1 [Member] | Short-Term Investments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value 12,510,595 22,522,078
Fair Value, Inputs, Level 1 [Member] | Exchange-Traded Futures Contracts [Member] | United States [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value (522,060) 1,090,050
Fair Value, Inputs, Level 2 [Member] | Short-Term Investments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value 0 0
Fair Value, Inputs, Level 2 [Member] | Exchange-Traded Futures Contracts [Member] | United States [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value 0 0
Fair Value, Inputs, Level 3 [Member] | Short-Term Investments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value 0 0
Fair Value, Inputs, Level 3 [Member] | Exchange-Traded Futures Contracts [Member] | United States [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Securities, fair value $ 0 $ 0