Stockholders' Equity - Additional Information (Details) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
Sep. 30, 2022 |
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| Class Of Stock [Line Items] | |||
| Treasury Stock | 646,355 | 620,971 | |
| Repurchase of common stock | 25,384 | 65,668 | |
| Payment for repurchase of common stock | $ 639,000 | $ 2,084,000 | |
| Payment for repurchase of common stock | $ 639,000 | $ 2,100,000 | |
| Series E Convertible Preferred Stock | |||
| Class Of Stock [Line Items] | |||
| Preferred stock, outstanding | 47,840 | 47,840 | |
| Preferred stock, issued | 47,840 | 47,840 | |
| X | ||||||||||
- Definition Payment for repurchase of common stock. No definition available.
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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 The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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