CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2022		9,956,687
Balance, beginning of period at Sep. 30, 2022	$ 19,161	$ 5,062	$ 7,351	$ 7,720	$ 1,294	$ (2,286)	$ 20
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	1,209			1,089			120
Foreign currency translation adjustments, net of taxes of $0	2				2
Distributions to non-controlling interests	(108)						(108)
Share-based compensation	115		115
Dividends declared, $0.015 per share	(149)			(149)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(20)				(20)
Balance, end of period (in shares) at Dec. 31, 2022		9,956,687
Balance, end of period at Dec. 31, 2022	20,210	$ 5,062	7,466	8,660	1,276	(2,286)	32
Balance, beginning of period (in shares) at Sep. 30, 2023		9,990,778
Balance, beginning of period at Sep. 30, 2023	18,757	$ 5,079	7,687	6,160	2,104	(2,286)	13
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(662)			(664)			2
Foreign currency translation adjustments, net of taxes of $0	30				30
Distributions to non-controlling interests	(4)						(4)
Share-based compensation	65		65
Issuance of common stock for restricted stock units vested (in shares)		9,328
Issuance of common stock for restricted stock units	0	$ 5	(5)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(21)				(21)
Balance, end of period (in shares) at Dec. 31, 2023		10,000,106
Balance, end of period at Dec. 31, 2023	$ 18,165	$ 5,084	$ 7,747	$ 5,496	$ 2,113	$ (2,286)	$ 11