Stock Based Incentive Compensation - Summary data of stock option award activity (Details) - $ / shares	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Shares
Outstanding, number of shares	500	1,000
Granted, number of shares	0	0
Expired, number of shares	(500)	(500)
Forfeited, number of shares	0	0
Outstanding, number of shares		500	1,000
Weighted Average Exercise Price
Outstanding, weighted average exercise price (in Dollars per share)	$ 3.43	$ 3.64
Granted, weighted average exercise price (in Dollars per share)	0	0
Expired, weighted average exercise price (in Dollars per share)	3.43	3.85
Forfeited, weighted average exercise price (in Dollars per share)	$ 0	0
Outstanding, weighted average exercise price (in Dollars per share)		$ 3.43	$ 3.64
Outstanding, weighted average remaining contractual term	0 years	0 years	0 years