Annual report pursuant to Section 13 and 15(d)

Note C - Shareholders' Equity - Options Exercisable (Details)

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Note C - Shareholders' Equity - Options Exercisable (Details) - $ / shares
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Exercisable (in shares) 38,950 54,800
Weighted average remaining contractual life (Year) 2 years 266 days 2 years 302 days
Weighted average exercise price (in dollars per share) $ 2.79 $ 3.13