Consolidated Condensed Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (634)	$ (2,668)	$ (5,590)	$ (2,720)
Other comprehensive loss:
Foreign currency translation adjustment, net of tax	20	(304)	436	(563)
Retirement plan liability adjustment, net of tax	153	188	305	426
Other	0	0	1	0
Comprehensive loss	$ (461)	$ (2,784)	$ (4,848)	$ (2,857)