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Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details) (Teucrium Corn Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Commodity price    
Liability derivatives $ 2,824,800 $ 2,213,775
Commodity Contract [Member]
   
Commodity price    
Asset derivatives      
Liability derivatives 2,824,800 2,213,775
Collateral Due From Broker [Member]
   
Commodity price    
Asset derivatives 3,572,300 5,106,775
Collateral Due To Broker [Member]
   
Commodity price    
Liability derivatives