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STATEMENTS OF CHANGES IN NET ASSETS (Teucrium WTI Crude Oil Fund [Member], USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Teucrium WTI Crude Oil Fund [Member]
    
Operations    
Net income (loss) $ 36,127 $ 161,682
Capital Transactions    
Redemption of Shares    (1,124,058)
Total capital transactions    (1,124,058)
Net change in net assets 36,127 (962,376)
Net assets, beginning of period 1,993,747 4,445,013
Net assets, end of period $ 2,029,874 $ 3,482,637
Net asset value per share at beginning of period $ 39.87 $ 44.45
At end of period $ 40.60 $ 46.43