Note 14 - Computation of Basic and Diluted Per Share Data (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Net Income	$ (657,000)	$ 1,806,000
Weighted Average Shares, Basic (in shares)	11,876,224	12,155,421
Per Share Amount, Basic (in dollars per share)	$ (0.06)	$ 0.15
Weighted Average Shares (in shares)		276,465
Weighted Average Shares, Diluted (in shares)	11,876,224	12,431,886
Per Share Amount, Diluted (in dollars per share)	$ (0.06)	$ 0.15