Consolidated Condensed Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ 3,639	$ (1,491)	$ (52)	$ 1,502
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 six months ended, respectively	(136)	(303)	(259)	(17)
Retirement plan liability adjustment, net of tax $0 and $0 for the three months ended, net of tax $0 and $0 for the six months ended, respectively	119	211	238	423
Comprehensive (loss) income	$ 3,622	$ (1,583)	$ (73)	$ 1,908