STATEMENTS OF CASH FLOWS (Teucrium Corn Fund [Member], USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Teucrium Corn Fund [Member]
Cash flows from operating activities:
Net income (loss)	$ (1,362,472)	$ (5,524,651)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Net change in unrealized appreciation or depreciation on commodity futures contracts	(4,719,076)	10,262,443
Changes in operating assets and liabilities:
Collateral, due from broker	5,173,251	(2,712,646)
Interest receivable	1,314	15
Other assets	(215,395)	(250,865)
Collateral, due to broker		(1,496,045)
Management fee payable to Sponsor	(22,375)	73,939
Other liabilities	124,495	11,110
Net cash (used in) provided by operating activities	(1,020,258)	363,300
Cash flows from financing activities:
Proceeds from sale of Shares	8,141,569	83,552,525
Redemption of Shares, net of change in payable for shares redeemed	(22,322,357)	(4,049,849)
Net cash (used in) provided by financing activities	(14,180,788)	79,502,676
Net change in cash and cash equivalents	(15,201,046)	79,865,976
Cash and cash equivalents, beginning of period	69,022,336	39,310,538
Cash and cash equivalents, end of period	$ 53,821,290	$ 119,176,514