Summary of Significant Accounting Policies (Details) (Teucrium Wheat Fund [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 04, 2012
Teucrium Wheat Fund [Member]
Creations and Redemptions
Common units per Creation Basket	25,000			50,000
Common units per Redemption Basket	25,000			50,000
Minimum level of shares per Redemption Basket minimum level	50,000
Minimum number of Redemption Baskets	2
Cash Equivalents
Money market funds	$ 6,678,055		$ 3,356,906
Sponsor Fee and Allocation of Expenses
Annual sponsor fee	1.00%
Management fees	13,609	5,707
Expenses subject to reimbursement	$ 560,000