Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Details)

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Stockholders' Equity - Additional Information (Details) - USD ($)
3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2021
Class Of Stock [Line Items]      
Treasury Stock 534,520   534,520
Repurchase of common stock 0 33,926  
Payment for repurchase of common stock $ 0 $ 383,000  
Series E Convertible Preferred Stock      
Class Of Stock [Line Items]      
Preferred stock, outstanding 47,840   47,840
Series B Convertible Preferred Stock      
Class Of Stock [Line Items]      
Preferred stock, outstanding 315,790   315,790