Summary of Significant Accounting Policies (Details) (Teucrium Natural Gas Fund [Member], USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Teucrium Natural Gas Fund [Member]
Creations and Redemptions
Common units per Creation Basket	50,000		50,000
Common units per Redemption Basket	50,000		50,000
Minimum level of shares per Redemption Basket minimum level	100,000		100,000
Minimum number of Redemption Baskets	2		2
Cash Equivalents
Money market funds	$ 3,171,684		$ 3,171,684		$ 4,476,336
Sponsor Fee and Allocation of Expenses
Annual sponsor fee	1.00%		1.00%
Capped management fee and expenses percentage	1.50%		1.50%
Reduction in expenses due to Sponsor cap	17,200		36,300	8,000
Management fees	$ 9,358		$ 19,540