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Quarterly Financial Data (Details) (Teucrium Natural Gas Fund [Member], USD $)
 3 Months Ended 11 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, 2011
Dec. 31, 2012
Teucrium Natural Gas Fund [Member]
                    
Total (Loss) Income $ (450,315) $ 239,893 $ 134,345 $ (371,475) $ (433,069) $ (325,174) $ (103,876) $ (279,972) $ (1,142,091) $ (447,552)
Total Expenses 17,864 13,085 8,942 5,796 6,209 42,960 111,623 76,442 237,234 45,687
Net income (loss) $ (468,179) $ 226,808 $ 125,403 $ (377,271) $ (439,278) $ (368,134) $ (215,499) $ (356,414) $ (1,379,325) $ (493,239)
Net income (loss) per share $ (1.03) $ 0.76 $ 0.81 $ (2.79) $ (4.4) $ (3.68) $ (2.15) $ (0.96) $ (11.19) $ (2.25)