Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.0.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Sep. 30, 2020
Number of Shares      
Outstanding, beginning balance 87,500 119,168  
Granted 0 7,500  
Exercised 0 (28,668)  
Forfeited   (10,500)  
Outstanding, ending balance 87,500 87,500 119,168
Exercisable 82,500 78,500  
Forfeited   (10,500)  
Outstanding, ending balance 87,500 87,500 119,168
Weighted Average Exercise Price      
Outstanding, beginning balance $ 18.81 $ 15.76  
Granted 0 40.92  
Exercised 0 11.25  
Forfeited   20.56  
Outstanding, ending balance 18.81 18.81 $ 15.76
Exercisable 17.53 16.29  
Outstanding, ending balance $ 18.81 $ 18.81 $ 15.76
Weighed Average Remaining Contractual Life      
Outstanding, ending balance 1 year 6 months 7 days 1 year 9 months 10 days 2 years 8 months 15 days
Exercisable 1 year 5 months 23 days 1 year 8 months 19 days  
Outstanding, ending balance 1 year 6 months 7 days 1 year 9 months 10 days 2 years 8 months 15 days
Intrinsic value outstanding balance $ 1,223 $ 1,626 $ 0
Exercisable $ 1,223 $ 1,626