Leases- Leases Cost Components Schedule (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Finance lease expense:
Amortization of right-of use assets on finance leases	$ 46	$ 55
Interest on lease liabilities	4	2
Operating lease expense	1,696	1,952
Variable lease cost	118	138
Total lease expense	$ 1,864	$ 2,147