Consolidated Condensed Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (2,668)	$ 254	$ (2,720)	$ 1,756
Other comprehensive (loss) income:
Foreign currency translation adjustment, net of tax $0 and $0 for the three months ended and net of tax $0 and $0 for the nine months ended, respectively	(304)	79	(563)	62
Retirement plan liability adjustment, net of tax $0 and $0 for the three months ended, net of tax $0 and $0 for the nine months ended, respectively	188	211	426	634
Comprehensive (loss) income	$ (2,784)	$ 544	$ (2,857)	$ 2,452