Organization and Operation (Details) (Teucrium Corn Fund [Member], USD $)	0 Months Ended	6 Months Ended
	Jun. 08, 2010	Jun. 30, 2012	Jun. 30, 2011	Mar. 05, 2012	Feb. 01, 2012	Jan. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 05, 2010
Common units per Creation Basket		25,000		25,000	50,000	100,000
Common units registered									30,000,000
Number of shares issued	200,000
Value of shares issued	$ 5,000,000	$ 10,242,344	$ 87,785,060
Net asset value per share	$ 25.0	$ 42.02	$ 40.39				$ 41.92	$ 39.06
Second to Expire CBOT Corn Futures Contract [Member]
Benchmark percent		35.00%
Third to Expire CBOT Corn Futures Contract [Member]
Benchmark percent		30.00%
CBOT Corn Futures Contract Expiring in December Following Expiration Month of Third to Expire Contract [Member]
Benchmark percent		35.00%