Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Details)

v3.22.2.2
Stockholders' Equity - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Jan. 07, 2014
Class Of Stock [Line Items]            
Accrued dividends     $ 720,000 $ 720,000    
Common stock, shares issued     3,074,833 1,582,334    
Common stock, shares outstanding     3,074,833 1,582,334    
Treasury stock purchased, shares     86,451 35,435    
Payment for treasury stock     $ 2,696,000 $ 421,000    
2014 Omnibus Equity Incentive Plan            
Class Of Stock [Line Items]            
Common stock reserved for issuance           300,000
Isaac Capital Group, LLC            
Class Of Stock [Line Items]            
Preferred stock shares converted units 259,902 259,902        
Convertible conversation of preferred stock   1,299,510        
Series E Convertible Preferred Stock            
Class Of Stock [Line Items]            
Preferred stock, issued     47,840 47,840    
Preferred stock, outstanding     47,840 47,840    
Repurchased shares of preferred stock         30,000  
Aggregate purchase price of convertible preferred stock         $ 3,000  
Preferred stock, dividend rate     5.00%      
Preferred stock, liquidation preference per share     $ 0.30 $ 0.30    
Preferred stock conversion ratio     0.005      
Preferred stock, conversion price per share     $ 85.50      
Accrued dividends     $ 200,000 $ 200,000    
Series B Preferred Stock            
Class Of Stock [Line Items]            
Preferred stock, issued     0 315,790    
Preferred stock, outstanding     0 315,790    
Preferred stock shares converted units 315,790 315,790        
Convertible conversation of preferred stock 1,578,950          
Series B Preferred Stock | Isaac Capital Group, LLC            
Class Of Stock [Line Items]            
Preferred stock shares converted units 315,790 315,790