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v3.23.2

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

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