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Risk Management (Tables)
 9 Months Ended
Jun. 30, 2012
Risk Management [Abstract]  
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]
The effects on operating income from derivative activities is as follows:

 
Three Months
 
Three Months
 
Nine Months
 
Nine Months
 
Ended
 
Ended
 
Ended
 
Ended
 
June 30, 2012
 
June 30, 2011
 
June 30, 2012
 
June 30, 2011
 
 
 
 
 
 
 
 
Increase (decrease) in revenue due to derivatives related to ethanol sales:
 
 
 
 
 
 
 
Realized
$
(7,308
)
 
$
(288,507
)
 
$
(7,308
)
 
$
(953,648
)
Unrealized
36,842

 
539,847

 
—

 
262,500

Total effect on revenue
29,534

 
251,340

 
(7,308
)
 
(691,148
)
 
 
 
 

 
 
 
 
(Increase) decrease in cost of goods sold due to derivatives related to corn costs:
 
 
 
 
 
 
 
Realized
1,710,975

 
(1,149,338
)
 
1,955,188

 
(3,062,963
)
Unrealized
(1,849,313
)
 
(1,343,663
)
 
(1,782,463
)
 
(313,250
)
Total effect on cost of goods sold
(138,338
)
 
(2,493,001
)
 
172,725

 
(3,376,213
)
 
 
 
 

 
 
 
 
Total increase (decrease) to operating income due to derivative activities
$
(108,804
)
 
$
(2,241,661
)
 
$
165,417

 
$
(4,067,361
)

Unrealized gains and losses on forward contracts, in which delivery has not occurred, are deemed “normal purchases and normal sales”, and therefore are not marked to market in the Company's financial statements but are subject to a lower of cost or market assessment.