Stock Compensation Plans (Details) - USD ($)	9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jan. 28, 2020	Jan. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercised during the period	$ 345,000	$ 475,000
Number of unvested stock options (shares)	186,910	173,670
Unvested stock options, aggregate grant date fair value	$ 1,050,000.00	$ 830,000
Unvested stock options, aggregate intrinsic value	313,000
Stock options vested during period, aggregate grant date fair value	$ 17,000,000	$ 9,400
Stock options vested during period (shares)	3,200	2,400
Stock options, outstanding, aggregate intrinsic value	$ 1,580,000	$ 1,810,000
Unrecognized compensation expense, non-vested options	$ 893,000
Unrecognized compensation expense, non-vested options, amortization period (in years)	2 years 2 months 19 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	300,000
Award vesting percentage	20.00%
Award vesting period (years)	5 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term	10 years
Equity Incentive Plan 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)				352,366
Number of shares available for grant (in shares)	4,796
Equity Incentive Plan 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	199,100		350,000
Equity Incentive Plan 2019 | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			300,000
Equity Incentive Plan 2019 | Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			50,000