Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Details)

v3.22.1
Stockholders' Equity - Additional Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Mar. 31, 2021
Sep. 30, 2021
Class Of Stock [Line Items]        
Common stock shares issued upon conversion of preferred stock shares   1,578,950    
Preferred stock shares converted units 315,790 315,790    
Treasury Stock 600,188 600,188   534,520
Repurchase of common stock   65,668 33,926  
Payment for repurchase of common stock   $ 2,100,000 $ 400,000  
ICG        
Class Of Stock [Line Items]        
Common stock shares issued upon conversion of preferred stock shares 1,299,510      
Preferred stock shares converted units 259,902 259,902    
Series E Convertible Preferred Stock        
Class Of Stock [Line Items]        
Preferred stock, outstanding       47,840
Preferred stock, issued 47,840 47,840   47,840
Series B Convertible Preferred Stock        
Class Of Stock [Line Items]        
Preferred stock, outstanding 0 0   315,790
Preferred stock, issued 0 0   315,790