Note 12 - Fair Value Measurements (Details) - Summary of fair value measurement information for financial assets and liabilities measured at fair value on a recurring basis (USD $)	Jun. 30, 2013	Sep. 30, 2012
Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Assets (Liabilities):
Derivative Contracts	$ 0	$ 0
Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Assets (Liabilities):
Derivative Contracts	261,939	(75,334)
Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Assets (Liabilities):
Derivative Contracts	0	0
Swap [Member]
Financial Assets (Liabilities):
Derivative Contracts	261,939	(75,334)
Collars [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Assets (Liabilities):
Derivative Contracts	0	0
Collars [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Assets (Liabilities):
Derivative Contracts	0	0
Collars [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Assets (Liabilities):
Derivative Contracts	553,039	(96,937)
Collars [Member]
Financial Assets (Liabilities):
Derivative Contracts	$ 553,039	$ (96,937)