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Quarterly Financial Data (Details) (Teucrium Corn Fund [Member], USD $)
 3 Months Ended 7 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Teucrium Corn Fund [Member]
                      
Total (Loss) Income $ (3,284,553) $ 12,998,376 $ 3,917,888 $ (3,568,540) $ 4,762,175 $ 1,821,750 $ (12,216,684) $ 7,668,784 $ 8,892,641 $ 10,063,171 $ 2,036,025
Total Expenses 854,330 929,296 824,260 887,559 886,399 644,968 596,482 380,269 456,658 3,495,445 2,508,118
Net income (loss) $ (4,138,883) $ 12,069,080 $ 3,093,628 $ (4,456,099) $ 3,875,776 $ 1,176,782 $ (12,813,166) $ 7,288,515 $ 8,435,983 $ 6,567,726 $ (472,093)
Net income (loss) per share $ (4.06) $ 6.38 $ 2.85 $ (2.75) $ 1.81 $ (0.28) $ (3.87) $ 5.2 $ 14.06 $ 2.42 $ 2.86