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Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details) (Teucrium WTI Crude Oil Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Commodity price    
Asset derivatives $ 59,032 $ 44,872
Liability derivatives 19,640 58,090
Commodity Contract [Member]
   
Commodity price    
Asset derivatives 59,032 44,872
Liability derivatives 19,640 58,090
Collateral Due From Broker [Member]
   
Commodity price    
Asset derivatives 64,263 137,328
Collateral Due To Broker [Member]
   
Commodity price    
Liability derivatives