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Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details) (Teucrium Natural Gas Fund [Member], USD $)
Sep. 30, 2012
Dec. 31, 2011
Commodity price    
Asset derivatives $ 229,788   
Liability derivatives    (602,440)
Commodity Contract [Member]
   
Commodity price    
Asset derivatives 229,788   
Liability derivatives    (602,440)
Net derivatives $ 229,788 $ (602,440)