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Share-Based Compensation (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Share-Based Compensation |  |  |
Share-based compensation expense | $ 345,000 | $ 341,000 | $ 177,000
Income tax effect recognized as a credit to additional paid-in capital related to share-based compensation | $ 166,617 | $ 181,350 | $ 17,337

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