Financial Highlights (Details) (Teucrium Agricultural Fund [Member], USD $)	3 Months Ended
	Jun. 30, 2012	Jun. 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		$ (0.33)
Total expenses		$ (0.08)
Net increase (decrease) in net asset value	$ (1.09)	$ (0.41)
At end of period	$ 49.59	$ 49.59	$ 50.0	$ 50.0
Total return		(0.82%)
Total expense		0.63%
Net investment gain (loss)		(0.63%)
Reduction in expenses due to Sponsor involvement	$ 500	$ 500