Financial Highlights (Details) (Teucrium Natural Gas Fund [Member], USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Jan. 31, 2011
Teucrium Natural Gas Fund [Member]
Net asset value per share at beginning of period			$ 11.56	$ 13.81	$ 25.00
Investment income			$ 0.00	$ 0.01
Net realized and unrealized gain (loss) on commodity futures contracts			$ (0.49)	$ (1.1)
Total expenses			$ (0.14)	$ (0.13)
Net increase (decrease) in net asset value	$ (0.24)	$ 0.76	$ (0.63)	$ (1.22)
At end of period	$ 10.93	$ 12.59	$ 10.93	$ 12.59	$ 25.00
Total return			(5.45%)	(8.83%)
Total expense			1.47%	1.50%
Net investment gain (loss)			(1.43%)	(1.41%)
Reduction in expenses due to Sponsor involvement				$ 9,800
Capped management fee and expenses percentage	1.50%		1.50%
Reduction in expenses due to Sponsor cap	$ 17,500	$ 3,200	$ 53,800	$ 12,800