Financial Highlights (Details) (Teucrium Corn Fund [Member], USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 08, 2010
Teucrium Corn Fund [Member]
Net asset value per share at beginning of period			$ 41.92	$ 39.06	$ 25.0
Investment income			$ 0.02	$ 0.02
Net realized and unrealized gain (loss) on commodity futures contracts			$ 1.15	$ 1.79
Total expenses			$ (1.07)	$ (0.48)
Net increase (decrease) in net asset value	$ 2.85	$ (3.87)	$ 0.1	$ 1.33
At end of period	$ 42.02	$ 40.39	$ 42.02	$ 40.39	$ 25.0
Total return			0.24%	3.41%
Total expense			5.49%	2.22%
Net investment gain (loss)			(5.41%)	(2.13%)