Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Schedule of Options (Details)

v3.23.3
Stock-based Compensation - Schedule of Options (Details) - USD ($)
 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Number of
Options    
Beginning balance (in shares) 126,500  
Exercised (in shares) 0  
Forfeitures/expired (in shares) (88,500)  
Ending balance (in shares) 38,000  
Weighted
Average
Exercise
Price    
Beginning balance (in dollars per share) $ 33.78  
Exercised (in dollars per share) 0  
Forfeitures/expired (in dollars per share) 33.96  
Ending balance (in dollars per share) $ 33.75  
Weighted
Average
Remaining
Contractual
Term
(years)    
Forfeitures/expired 0 years  
Weighted average remaining contractual term 3 years 3 months 18 days  
Aggregate
Intrinsic
Value    
Forfeitures/expired $ 0  
Aggregate Intrinsic Value $ 0  
Share-based compensation outstanding (in shares) 38,000 126,500
Share-based compensation outstanding, threshold trading period   20 days
Share-based compensation outstanding , share price exceeded value (in dollars per share)   $ 50
Tranche One    
Number of
Options    
Beginning balance (in shares) 29,500  
Aggregate
Intrinsic
Value    
Share-based compensation outstanding (in shares)   29,500
Share-based compensation outstanding, threshold trading period   20 days
Share-based compensation outstanding , share price exceeded value (in dollars per share)   $ 40
Tranche Two    
Number of
Options    
Beginning balance (in shares) 29,500  
Aggregate
Intrinsic
Value    
Share-based compensation outstanding (in shares)   29,500
Share-based compensation outstanding, threshold trading period   20 days
Share-based compensation outstanding , share price exceeded value (in dollars per share)   $ 45
Tranche Three    
Number of
Options    
Beginning balance (in shares) 29,500  
Aggregate
Intrinsic
Value    
Share-based compensation outstanding (in shares)   29,500