Income Taxes - Schedule of Reconciliation Difference of Income Taxes (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Deferred tax assets valuation allowance including non-cash charge to income tax expense	$ 10,200
Impact of CARES Act		$ 735	$ 1,700
U.S. federal statutory tax rate	21.00%			35.00%