Stockholders' Equity - Additional Information (Details) - USD ($) |
9 Months Ended | ||||
|---|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 13, 2023 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Sep. 30, 2022 |
|
| Class Of Stock [Line Items] | |||||
| Treasury stock (in shares) | 659,961 | 659,961 | 620,971 | ||
| Repurchase of common stock (in shares) | 38,990 | 79,828 | |||
| Payment for repurchase of common stock | $ 988,000 | $ 2,500,000 | |||
| Stock option exercise (in shares) | 31,250 | ||||
| Related Party | |||||
| Class Of Stock [Line Items] | |||||
| Repurchase of common stock (in shares) | 9,904 | ||||
| Treasury stock market share price (in usd per share) | $ 25.85 | ||||
| Common stock repurchased amount | $ 256,000 | ||||
| Member of the Company's board of directors, and father of the Company's CEO | Related Party | |||||
| Class Of Stock [Line Items] | |||||
| Stock option exercise (in shares) | 9,904 | ||||
| Series E Convertible Preferred Stock | |||||
| Class Of Stock [Line Items] | |||||
| Preferred stock, shares issued (in shares) | 47,840 | 47,840 | 47,840 | 47,840 | |
| X | ||||||||||
- Definition Payment for repurchase of common stock. No definition available.
|
| 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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
|
| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate 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
|
| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|