Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Details)

v3.23.4
Stockholders' Equity - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 13, 2023
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
Jan. 07, 2014
Class Of Stock [Line Items]              
Accrued dividends       $ 720 $ 720    
Common stock, shares issued (in shares)       3,164,330 3,074,833    
Common stock, shares outstanding (in shares)       3,164,330 3,074,833    
Treasury stock purchased (in shares)       39,092 86,451    
Payment for treasury stock       $ 991 $ 2,696    
Stock options exercised (in shares)       31,250 0    
2014 Omnibus Equity Incentive Plan              
Class Of Stock [Line Items]              
Common stock for issuance (in shares)             300,000
Related Party              
Class Of Stock [Line Items]              
Treasury stock purchased (in shares) 9,904            
Treasury stock market share price (in usd per share) $ 25.85            
Common stock repurchased amount $ 256            
Related Party | Share-Based Payment Arrangement, Nonemployee              
Class Of Stock [Line Items]              
Stock options exercised (in shares)   9,904          
Isaac Capital Group, LLC | Related Party              
Class Of Stock [Line Items]              
Preferred stock shares converted units (in shares)     259,902        
Convertible conversation of preferred stock (in shares)     1,299,510        
Series B Preferred Stock              
Class Of Stock [Line Items]              
Preferred stock shares converted units (in shares)     315,790        
Convertible conversation of preferred stock (in shares)     1,578,950        
Preferred stock, issued (in shares)       0 0    
Preferred stock, outstanding (in shares)       0 0    
Series B Preferred Stock | Isaac Capital Group, LLC | Related Party              
Class Of Stock [Line Items]              
Preferred stock shares converted units (in shares)     315,790        
Series E Convertible Preferred Stock              
Class Of Stock [Line Items]              
Preferred stock, issued (in shares)       47,840 47,840    
Preferred stock, outstanding (in shares)       47,840 47,840    
Repurchased shares of preferred stock (in shares)           30,000  
Aggregate purchase price of convertible preferred stock           $ 3  
Preferred stock, dividend rate (in percent)       5.00%      
Preferred stock, liquidation preference per share (in usd per share)       $ 0.30 $ 0.30    
Preferred stock conversion ratio       0.005      
Preferred stock, conversion price (in usd per share)       $ 85.50      
Accrued dividends       $ 0 $ 0