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Summary of Significant Accounting Policies (Details) (Teucrium Natural Gas Fund [Member], USD $)
 11 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Teucrium Natural Gas Fund [Member]
    
Creations and Redemptions    
Common units per Creation Basket   50,000
Common units per Redemption Basket   50,000
Minimum level of shares per Redemption Basket minimum level   100,000
Minimum number of Redemption Baskets   2
Cash Equivalents    
Money market funds $ 1,277,159 $ 4,476,336
Sponsor Fee and Allocation of Expenses    
Annual sponsor fee   1.00%
Reduction in expenses due to Sponsor involvement 18,000 12,800
Capped management fee and expenses percentage   1.50%
Reduction in expenses due to Sponsor cap 24,000 19,200
Management fees $ 2,782 $ 18,038