Deferred Compensation Plan For Directors	12 Months Ended
Sep. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Deferred Compensation Plan For Directors	9. DEFERRED COMPENSATION PLAN FOR DIRECTORS Annually, independent directors may elect to be included in the Company’s Deferred Directors’ Compensation Plan for Non-Employee Directors (the “Plan”). The Plan provides that each independent director may individually elect to be credited with future unissued shares of Company Common Stock rather than cash for all or a portion of the annual retainers, and may elect to receive shares, when issued, over annual time periods up to ten years. These unissued shares are recorded to each director’s deferred compensation account at the closing market price of the shares at each quarter end. Only upon a director’s retirement, termination, death or a change-in-control of the Company will the shares recorded for such director under the Plan be issued to the director. The promise to issue such shares in the future is an unsecured obligation of the Company. As of September 30, 2021, there were 232,091 shares (177,678 shares at September 30, 2020) recorded under the Plan. The deferred balance outstanding at September 30, 2021, under the Plan was $1,768,151 ($1,874,007 at September 30, 2020). Expenses totaling $234,466, $228,408 and $272,491 were charged to the Company’s results of operations for the years ended September 30, 2021, 2020 and 2019, respectively, and are included in general and administrative expense in the accompanying Statements of Operations.

Deferred Compensation Plan For Directors

12 Months Ended

Sep. 30, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Deferred Compensation Plan For Directors

9. DEFERRED COMPENSATION PLAN FOR DIRECTORS

Annually, independent directors may elect to be included in the Company’s Deferred Directors’ Compensation Plan for Non-Employee Directors (the “Plan”). The Plan provides that each independent director may individually elect to be credited with future unissued shares of Company Common Stock rather than cash for all or a portion of the annual retainers, and may elect to receive shares, when issued, over annual time periods up to ten years. These unissued shares are recorded to each director’s deferred compensation account at the closing market price of the shares at each quarter end. Only upon a director’s retirement, termination, death or a change-in-control of the Company will the shares recorded for such director under the Plan be issued to the director. The promise to issue such shares in the future is an unsecured obligation of the Company. As of September 30, 2021, there were 232,091 shares (177,678 shares at September 30, 2020) recorded under the Plan. The deferred balance outstanding at September 30, 2021, under the Plan was $1,768,151 ($1,874,007 at September 30, 2020). Expenses totaling $234,466, $228,408 and $272,491 were charged to the Company’s results of operations for the years ended September 30, 2021, 2020 and 2019, respectively, and are included in general and administrative expense in the accompanying Statements of Operations.