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Equity Incentive Plans (Narrative) (Details) - USD ($)							3 Months Ended
	Jan. 31, 2023	Sep. 30, 2022	Jan. 12, 2022	Apr. 26, 2021	Feb. 19, 2021	Feb. 10, 2021	Mar. 31, 2023	Mar. 31, 2022	Apr. 26, 2018	Apr. 28, 2011
Defined Benefit Plan Disclosure [Line Items]
Options granted
Expected future expenses relating to non-vested restricted shares							$ 883,000
Expected future compensation expense, weighted average period for recognition							3 years 1 month 28 days
Stock option expense							$ 33,000	$ 45,000
Restricted stock expense							$ 73,000	$ 50,000
Options [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares underlying unexercised options							204,440
Expected future compensation expense, unexercised options							$ 359,000
Expected future compensation expense, weighted average period for recognition							3 years 6 months 7 days
Options Exercisable - Number of Option Shares							771,535
2018 Equity Incentive Plan [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares authorized for issuance									1,000,000
2011 Stock Plan [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares authorized for issuance										900,000
Directors [Member] | Restricted Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock issued	27,000		33,000
Vesting period	4 years		4 years
Directors [Member] | 2018 Equity Incentive Plan [Member] | Options [Member]
Defined Benefit Plan Disclosure [Line Items]
Options granted						66,000
Vesting period						5 years
Directors [Member] | 2018 Equity Incentive Plan [Member] | Restricted Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock issued						26,400
Vesting period						4 years
Certain Officers [Member] | Options [Member]
Defined Benefit Plan Disclosure [Line Items]
Options granted				6,800
Vesting period				5 years
Certain Officers [Member] | 2018 Equity Incentive Plan [Member] | Restricted Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock issued					300
Vesting period					2 years
Executive Officers [Member] | Restricted Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock issued		36,000

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