Risk Management (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2012
Trading Activity, Gains and Losses, Net [Line Items]
Derivative assets - corn contracts	$ 79,750		$ 79,750		$ 134,050
Cash held by (due to) broker	187,445		187,445		(62,072)
Total	267,195		267,195		71,978
Trading activity, gains and losses, net	(355,612)	(108,804)	212,241	165,417
Revenues [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	0	(7,308)	0	(7,308)
Unrealized Gain (Loss) on Derivatives	0	36,842	0	0
Trading activity, gains and losses, net	0	29,534	0	(7,308)
Cost of Goods, Total [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	(858,225)	1,710,975	132,491	1,955,188
Unrealized Gain (Loss) on Derivatives	502,613	(1,849,313)	79,750	(1,782,463)
Trading activity, gains and losses, net	$ (355,612)	$ (138,338)	$ 212,241	$ 172,725