Schedule of Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Balance at beginning of year		$ 165	$ 865
Additions for tax positions of prior years
Decrease related to settlements with taxing authorities			(700)
Reduction due to lapse from closed examination		(165)
Balance at end of year			$ 165