Risk Management (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Trading Activity, Gains and Losses, Net [Line Items]
Total	$ 431,476	$ 71,978
Trading Activity, Gains and Losses, Net	1,053,977	(1,007,746)	(4,116,930)
Sales [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	12,550	(7,308)	(1,126,667)
Cost of Goods, Total [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	1,041,427	(1,000,438)	(2,990,263)
Gain (Loss) on Settlement of Derivative Instrument [Member] | Sales [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	0	(7,308)	(2,655,034)
Gain (Loss) on Settlement of Derivative Instrument [Member] | Cost of Goods, Total [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	1,255,616	(1,134,488)	(2,946,138)
Unrealized Gain (Loss or Write-down) [Member] | Sales [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	12,550	0	1,528,367
Unrealized Gain (Loss or Write-down) [Member] | Cost of Goods, Total [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Trading Activity, Gains and Losses, Net	(214,189)	134,050	(44,125)
Not Designated as Hedging Instrument [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative assets - primarily corn contracts	193,060	134,050
Derivative liabilities - corn contracts	(394,699)	0
Payables to Broker-Dealers and Clearing Organizations	633,115
Receivables from Clearing Organizations		(62,072)
Total	$ 431,476	$ 71,978