Annual report pursuant to Section 13 and 15(d)

Note C - Shareholders' Equity - Options Currently Outstanding (Details)

v3.10.0.1
Note C - Shareholders' Equity - Options Currently Outstanding (Details) - USD ($)
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Number outstanding (in shares) 138,500 38,950 54,800
Weighted average remaining contractual life (Year) 3 years 299 days 2 years 266 days  
Weighted average exercise price (in dollars per share) $ 10.99 $ 2.79 $ 3.13
Aggregate intrinsic value $ 340,531 $ 421,237