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Financial Highlights (Details) (Teucrium Agricultural Fund [Member], USD $)
 0 Months Ended 3 Months Ended
Mar. 31, 2012
Mar. 31, 2013
Teucrium Agricultural Fund [Member]
    
Net asset value per share at beginning of period $ 50 $ 48.73
Investment income $ 0.00 $ 0.00
Net realized and unrealized gain on investment transactions $ 0.68 $ (3.92)
Total expenses $ 0.00 $ (0.06)
Net increase (decrease) in net asset value $ 0.68 $ (3.98)
At end of period $ 50.68 $ 44.75
Total return 1.36% (8.17%)
Total expense 0.50% 0.50%
Net investment gain (loss) (0.50%) (0.50%)
Reduction in expenses due to Sponsor involvement   $ 14,600