Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)	Sep. 30, 2013	Sep. 30, 2012
Total [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets - primarily corn contracts	$ 193,060	$ 134,050
Liabilities, derivative financial instruments	394,699
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets - primarily corn contracts	193,060	134,050
Liabilities, derivative financial instruments	394,699
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets - primarily corn contracts	0	0
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets - primarily corn contracts	$ 0	$ 0