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Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details) (Teucrium Soybean Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Commodity price    
Asset derivatives $ 4,075 $ 63,200
Liability derivatives 85,400 284,575
Commodity Contract [Member]
   
Commodity price    
Asset derivatives 4,075 63,200
Liability derivatives 85,400 284,575
Collateral Due From Broker [Member]
   
Commodity price    
Asset derivatives 399,703 670,563
Collateral Due To Broker [Member]
   
Commodity price    
Liability derivatives