Note 7 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Maximum [Member]
Finite-Lived Intangible Assets, Amortization Expense, Year Two	$ 100,000
Amortization of Intangible Assets	100,000		$ 100,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	100,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	0
Finite-Lived Intangible Assets, Amortization Expense, Year Four	0
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 0
Amortization of Intangible Assets		$ 0