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STATEMENTS OF OPERATIONS (Teucrium Corn Fund [Member], USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Teucrium Corn Fund [Member]
    
Income    
Realized (loss) gain on commodity futures contracts $ (1,859,822) $ (2,136,224)
Net change in unrealized appreciation or depreciation on commodity futures contracts (611,025) (1,442,778)
Interest income 7,964 10,462
Total income (loss) (2,462,883) (3,568,540)
Expenses    
Management fees 99,820 170,603
Professional fees 118,800 201,387
Distribution and marketing fees 337,050 437,129
Custodian fees and expenses 31,856 32,211
Business permits and licenses fees 20,700 3,282
General and administrative expenses 31,050 34,315
Brokerage commissions 24,480 4,892
Other expenses 10,171 3,740
Total expenses 673,927 887,559
Net income (loss) $ (3,136,810) $ (4,456,099)
Net income (loss) per share $ (3.34) $ (2.75)
Net income (loss) per weighted average share $ (3.37) $ (2.64)
Weighted average shares outstanding 931,393 1,688,466