Stockholders' Equity (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Jan. 07, 2014 |
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| Class Of Stock [Line Items] | |||
| Common stock, shares issued (in shares) | 3,071,656 | 3,131,360 | |
| Common stock, shares outstanding (in shares) | 3,071,656 | 3,131,360 | |
| Treasury stock purchased (in shares) | 59,704 | 34,624 | |
| Payment for treasury stock | $ 528,000 | $ 866,000 | |
| 2014 Omnibus Equity Incentive Plan | |||
| Class Of Stock [Line Items] | |||
| Common stock for issuance (in shares) | 300,000 | ||
| Series E Convertible Preferred Stock | |||
| Class Of Stock [Line Items] | |||
| Preferred stock, issued (in shares) | 47,840 | 47,840 | |
| Preferred stock, dividend rate (in percent) | 5.00% | ||
| Preferred stock, liquidation preference per share (in usd per share) | $ 0.30 | $ 0.30 | |
| Preferred stock conversion ratio | 0.005 | ||
| Preferred stock, conversion price (in usd per share) | $ 85.50 | ||
| Accrued dividends | $ 720 | $ 720 | |
| Dividends payable | $ 180 | $ 180 | |
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- Definition Preferred stock, conversion price per share. No definition available.
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- Definition Preferred stock conversion ratio. No definition available.
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- Definition The percentage rate used to calculate dividend payments on preferred stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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