Annual report pursuant to Section 13 and 15(d)

Note 2 - Stock Based Compensation - Options Currently Outstanding (Details)

v3.22.2.2
Note 2 - Stock Based Compensation - Options Currently Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Number outstanding (in shares) 236,509 301,514 337,100 290,750
Weighted average remaining contractual life (Year) 3 years 3 months 18 days 3 years 2 months 19 days 3 years 5 months 4 days  
Weighted average exercise price (in dollars per share) $ 31.30 $ 16.25 $ 12.48 $ 11.86
Aggregate intrinsic value $ 17,343 $ 8,412 $ 721