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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Short-Term Investments $ 76,924,173 $ 64,945,289
Exchange-Traded Futures Contracts    
Foreign Contracts (5,096,230) (7,442,340)
Fair Value, Inputs, Level 1 [Member]    
Short-Term Investments 76,924,173 64,945,289
Exchange-Traded Futures Contracts    
Foreign Contracts (5,096,230) (7,442,340)
Fair Value, Inputs, Level 2 [Member]    
Short-Term Investments 0 0
Exchange-Traded Futures Contracts    
Foreign Contracts 0 0
Fair Value, Inputs, Level 3 [Member]    
Short-Term Investments 0 0
Exchange-Traded Futures Contracts    
Foreign Contracts $ 0 $ 0