Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Details)

v3.25.1
Stockholders' Equity (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Class Of Stock [Line Items]              
Treasury stock (in shares) 741,696       741,696   694,687
Repurchase of common stock (in shares)         47,009 16,195  
Payment for repurchase of common stock $ 259,000 $ 157,000 $ 298,000 $ 106,000 $ 416,315 $ 404,000  
Treasury stock market share price (in usd per share)         $ 8.86 $ 24.99  
Series E Convertible Preferred Stock              
Class Of Stock [Line Items]              
Preferred stock, shares issued (in shares) 47,840       47,840   47,840