Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Right-of-use lease cost
Impairment of right-of-use asset	$ 660	$ 0
Right-of-use lease cost	1,586
Total right-of-use lease cost	2,246
Amortization assets under finance leases	335
Interest on finance lease liabilities	59
Total finance lease cost	$ 394