Consolidated Condensed Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,590)	$ (2,367)	$ (5,013)	$ (4,956)
Other comprehensive loss:
Foreign currency translation (loss) gain, net of tax	(128)	74	125	416
Retirement plan liability adjustment, net of tax	43	74	86	152
Other	0	0	1	1
Comprehensive loss	$ (1,675)	$ (2,219)	$ (4,801)	$ (4,387)