Long-Term Debt (Details) (USD $)	12 Months Ended
	Sep. 30, 2013
Line Of Credit Facility [Line Items]
Revolving loan credit facility	$ 80,000,000
Current pricing forecast and a discount rate	8.00%
Borrowing base of credit facility	35,000,000
Secured by carrying value	$ 40,042,933
Credit facility maturity	Nov. 30, 2017
Effective Interest rate	2.36%
Annual Non Use Fee Percentage	0.25%
Minimum [Member] | Prime Rate [Member]
Line Of Credit Facility [Line Items]
Interest rate basis	0.375%
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line Of Credit Facility [Line Items]
Interest rate basis	1.875%
Maximum [Member] | Prime Rate [Member]
Line Of Credit Facility [Line Items]
Interest rate basis	1.125%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line Of Credit Facility [Line Items]
Interest rate basis	2.625%