Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.23.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2023
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Number of Shares        
Outstanding, beginning balance 87,500 87,500    
Outstanding, ending balance 87,500 87,500 87,500  
Exercisable 87,500 87,500    
Outstanding, ending balance 87,500 87,500 87,500  
Weighted Average Exercise Price        
Outstanding, beginning balance $ 18.81 $ 18.81    
Outstanding, ending balance 18.81 18.81 $ 18.81  
Exercisable 18.81 18.81    
Outstanding, ending balance $ 18.81 $ 18.81 $ 18.81  
Weighed Average Remaining Contractual Life        
Outstanding, ending balance 10 months 6 days 9 months 10 days 1 year 9 months 10 days  
Exercisable   9 months 10 days    
Outstanding, ending balance 10 months 6 days 9 months 10 days 1 year 9 months 10 days  
Intrinsic value outstanding balance $ 1,160 $ 771 $ 1,626 $ 771
Exercisable $ 1,160 $ 771