Note 9 - Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Note 9 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	$ 714,000	$ 427,000	$ 1,824,000	$ 793,000
Effective Income Tax Rate Reconciliation, Percent	36.80%	43.90%	36.20%	42.10%
Deferred Tax Assets, Valuation Allowance	975,000		975,000
Basis Difference In Goodwill On Prior Asset Acquisitions [Member]
Note 9 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)		$ 427,000