STATEMENTS OF CHANGES IN NET ASSETS (Teucrium Corn Fund [Member], USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Teucrium Corn Fund [Member]
Operations
Net income (loss)	$ 10,706,608	$ (4,347,869)
Capital Transactions
Issuance of shares	48,186,703	92,546,004
Redemption of Shares	(72,077,181)	(26,880,459)
Total capital transactions	(23,890,478)	65,665,545
Net change in net assets	(13,183,870)	61,317,676
Net assets, beginning of period	71,268,521	42,963,939
Net assets, end of period	$ 58,084,651	$ 104,281,615
Net asset value per share at beginning of period	$ 41.92	$ 39.06
At end of period	$ 48.4	$ 40.11