CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income	Treasury Stock	Non-controlling Interests
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	(2,212)			(2,436)			224
Foreign currency translation adjustments, net of taxes of $0	8				8
Distributions to non-controlling interests	(223)						(223)
Share-based compensation	111		111
Issuance of common stock for restricted stock units vested (in shares)		37,312
Issuance of common stock for restricted stock units vested	0	$ 19	(19)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(43)				(43)
Balance, end of period (in shares) at Mar. 31, 2024		10,028,090
Balance, end of period at Mar. 31, 2024	16,398	$ 5,098	7,779	3,724	2,069	(2,286)	14
Balance, beginning of period (in shares) at Dec. 31, 2023		10,000,106
Balance, beginning of period at Dec. 31, 2023	18,165	$ 5,084	7,747	5,496	2,113	(2,286)	11
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(1,550)			(1,772)			222
Foreign currency translation adjustments, net of taxes of $0	(22)				(22)
Distributions to non-controlling interests	(219)						(219)
Share-based compensation	46		46
Issuance of common stock for restricted stock units vested (in shares)		27,984
Issuance of common stock for restricted stock units vested	0	$ 14	(14)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(22)				(22)
Balance, end of period (in shares) at Mar. 31, 2024		10,028,090
Balance, end of period at Mar. 31, 2024	16,398	$ 5,098	7,779	3,724	2,069	(2,286)	14
Balance, beginning of period (in shares) at Sep. 30, 2024		10,028,090
Balance, beginning of period at Sep. 30, 2024	13,062	$ 5,098	7,690	595	1,943	(2,286)	22
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(3,126)			(3,124)			(2)
Foreign currency translation adjustments, net of taxes of $0	90				90
Share-based compensation	129		129
Issuance of common stock for restricted stock units vested (in shares)		25,444
Issuance of common stock for restricted stock units vested	0	$ 13	(13)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	0
Balance, end of period (in shares) at Mar. 31, 2025		10,053,534
Balance, end of period at Mar. 31, 2025	10,155	$ 5,111	7,806	(2,529)	2,033	(2,286)	20
Balance, beginning of period (in shares) at Dec. 31, 2024		10,053,534
Balance, beginning of period at Dec. 31, 2024	11,305	$ 5,111	7,746	(1,322)	2,036	(2,286)	20
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(1,207)			(1,207)			0
Foreign currency translation adjustments, net of taxes of $0	(3)				(3)
Share-based compensation	60		60
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	0
Balance, end of period (in shares) at Mar. 31, 2025		10,053,534
Balance, end of period at Mar. 31, 2025	$ 10,155	$ 5,111	$ 7,806	$ (2,529)	$ 2,033	$ (2,286)	$ 20