General form of registration statement for all companies including face-amount certificate companies

Note 6 - Stock-based Compensation - Restricted Stock Weighted Average Grant Date Fair Value (Details)

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Note 6 - Stock-based Compensation - Restricted Stock Weighted Average Grant Date Fair Value (Details) - $ / shares
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Sep. 30, 2021
Non Vested at September 30, 2021 and 2020 (in dollars per share) $ 0 $ 20.00 $ 18.00 $ 20.00 $ 0
Vested (in dollars per share) 0 (20.00)     (32.00)
Non Vested at September 30, 2022 and 2021 (in dollars per share) 0 20.00 0 20.00 20.00
The 2013 Plan [Member]          
Non Vested at September 30, 2021 and 2020 (in dollars per share)     18.00 20.00  
Vested (in dollars per share)     (18.00) (20.00)  
Non Vested at September 30, 2022 and 2021 (in dollars per share) $ 0 $ 20.00 $ 0 $ 20.00 $ 20.00