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Summary of Significant Accounting Policies (Details) (Teucrium Corn Fund [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Feb. 01, 2012	Jan. 31, 2012
Teucrium Corn Fund [Member]
Creations and Redemptions
Common units per Creation Basket	25,000			50,000	100,000
Common units per Redemption Basket	25,000			50,000	100,000
Minimum level of shares per Redemption Basket minimum level	50,000
Minimum number of Redemption Baskets	2
Cash Equivalents
Money market funds	$ 21,167,864		$ 14,632,382
United States Treasury Bills with a maturity of three months or less	14,999,505		19,999,600
Sponsor Fee and Allocation of Expenses
Annual sponsor fee	1.00%
Management fees	99,820	170,603
Expenses subject to reimbursement	560,000
Fair Value - Definition and Hierarchy
Change in commodity futures contracts	$ (410,475)

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The minimum level of shares per the minimum Redemption Basket.

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Recorded expenses that are subject to reimbursement.

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The aggregate costs related to asset management during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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