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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
| Year Ended September 30,
| 2021 |  | 2020 |  | 2019
Unvested at beginning of year | 38,936 |  |  | 283,195 |  |  | — |
Granted | — |  |  | 69,338 |  |  | 283,195 |
Vested | (8,183) |  |  | (105,000) |  |  | — |
Forfeited | (13,996) |  |  | (208,597) |  |  | — |
Unvested at end of year | 16,757 |  |  | 38,936 |  |  | 283,195 |

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- References No definition available. + 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
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
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