Long-Term Debt (Details) (USD $)	9 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms	3.30%
Long-term Construction Loan	$ 1,500,000		$ 1,500,000
Line of Credit Facility, Amount Outstanding	225,000		1,000,000
Note payable to contractor	0	1,125,000	1,250,000
Promissory note - IDED	300,000
Note payable - IDED	0		152,500
Note payable - IDED - monthly payments	2,500
Note payable - IDED - final payment	152,500
Railroad revolving loan fund	500,000
Note payable - IDOT	238,021		287,930
Total Debt	1,963,021		4,190,430
Long-term Debt, Current Maturities	(1,525,350)		(1,452,409)
Notes Payable, Noncurrent	437,671		2,738,021
Debt Instrument, Periodic Payment, Principal	1,250,000
Extinguishment of Debt, Amount	37,500,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 10,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.11%