Restricted Stock Plan (Summary Of Pre-Tax Compensation Expense) (Details) - USD ($) |
3 Months Ended | |
---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Compensation expense | $ 148,515 | $ 159,469 |
Market-Based Restricted Stock [Member] | ||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Compensation expense | 74,142 | 63,537 |
Time-Based Restricted Stock [Member] | ||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Compensation expense | $ 74,373 | $ 95,932 |