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Summary of Significant Accounting Policies (Details) (Teucrium Wheat Fund [Member], USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Jan. 01, 2013
Mar. 04, 2012
Teucrium Wheat Fund [Member]
        
Creations and Redemptions        
Common units per Creation Basket   25,000   50,000
Common units per Redemption Basket   25,000   50,000
Minimum level of shares per Redemption Basket minimum level   50,000    
Minimum number of Redemption Baskets   2    
Cash Equivalents        
Money market funds $ 2,022,024 $ 3,356,906    
Sponsor Fee and Allocation of Expenses        
Annual sponsor fee   1.00%    
Management fees 4,998 32,754    
Reduction in expenses due to Sponsor involvement 1,200 36,500    
Expenses subject to reimbursement   560,000    
Reduction in expenses due to Sponsor cap 25,000      
Maximum daily expense accrual   $ 677 $ 502