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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
| Year Ended September 30,
| 2023 |  | 2022 |  | 2021
Unvested at beginning of year | 13,639 |  |  | 16,757 |  |  | 38,936 |
Granted | — |  |  | — |  |  | — |
Vested | (13,373) |  |  | (3,118) |  |  | (8,183) |
Forfeited | (266) |  |  | — |  |  | (13,996) |
Unvested at end of year | — |  |  | 13,639 |  |  | 16,757 |
Share-Based Payment Arrangement, Cost by Plan | A summary of the compensation expense related to our stock awards recognized during the years ended September 30, 2023, 2022 and 2021 is provided in the table below:
| Year Ended September 30,
| 2023 |  | 2022 |  | 2021
Restricted stock awards | $ | 23 |  |  | $ | 137 |  |  | $ | 145 |
Director PSUs | $ | 386 |  |  | $ | 386 |  |  | $ | 376 |
Employee PSUs | $ | 3,963 |  |  | $ | 3,251 |  |  | $ | 2,986 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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