Stock-Based Compensation - Additional Information (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock based compensation expense | $ 37,000 | $ 489,000 |
| Stock options, granted | 7,500 | |
| Stock Option | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock based compensation expense | 38,000 | $ 489,000 |
| Unrecognized compensation expense | $ 0 | |
| Stock options, granted | 0 | 7,500 |
| X | ||||||||||
- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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