Financial Highlights (Details) (Teucrium Agricultural Fund [Member], USD $)	3 Months Ended	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Mar. 25, 2011
Teucrium Agricultural Fund [Member]
Net asset value per share at beginning of period		$ 50.0	$ 50.0	$ 50.0
Investment income
Net realized and unrealized gain on investment transactions		$ 3.54
Total expenses		$ (0.15)
Net increase (decrease) in net asset value	$ 3.8	$ 3.39
At end of period	$ 53.39	$ 53.39	$ 50.0	$ 50.0
Total return		6.78%
Total expense		0.60%
Net investment gain (loss)		(0.60%)
Reduction in expenses due to Sponsor involvement	$ 14,500	$ 14,500