Note 6 - Restricted Stock Plan (Details) - Summary of pre-tax compensation expense (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 6 - Restricted Stock Plan (Details) - Summary of pre-tax compensation expense [Line Items]
Restricted stock awards	$ 142,030	$ 91,065	$ 541,937	$ 239,858
Performance Based Restricted Stock [Member]
Note 6 - Restricted Stock Plan (Details) - Summary of pre-tax compensation expense [Line Items]
Restricted stock awards	81,822	43,031	263,583	107,449
Non-Performance Based Restricted Stock [Member]
Note 6 - Restricted Stock Plan (Details) - Summary of pre-tax compensation expense [Line Items]
Restricted stock awards	$ 60,208	$ 48,034	$ 278,354	$ 132,409