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	(3,446)			(3,682)			236
Foreign currency translation adjustments, net of taxes of $0	20				20
Distributions to non-controlling interests	(226)						(226)
Acquisition of non-controlling interest	(185)		(186)				1
Share-based compensation	153		153
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	(64)				(64)
Balance, end of period (in shares) at Jun. 30, 2024		10,028,090
Balance, end of period at Jun. 30, 2024	15,009	$ 5,098	7,635	2,478	2,060	(2,286)	24
Balance, beginning of period (in shares) at Mar. 31, 2024		10,028,090
Balance, beginning of period at Mar. 31, 2024	16,398	$ 5,098	7,779	3,724	2,069	(2,286)	14
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(1,234)			(1,246)			12
Foreign currency translation adjustments, net of taxes of $0	12				12
Distributions to non-controlling interests	(3)						(3)
Acquisition of non-controlling interest	(185)		(186)				1
Share-based compensation	42		42
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 Jun. 30, 2024		10,028,090
Balance, end of period at Jun. 30, 2024	15,009	$ 5,098	7,635	2,478	2,060	(2,286)	24
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	(4,679)			(4,674)			(5)
Foreign currency translation adjustments, net of taxes of $0	53				53
Share-based compensation	147		147
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 Jun. 30, 2025		10,053,534
Balance, end of period at Jun. 30, 2025	8,583	$ 5,111	7,824	(4,079)	1,996	(2,286)	17
Balance, beginning of period (in shares) at Mar. 31, 2025		10,053,534
Balance, beginning of period at Mar. 31, 2025	10,155	$ 5,111	7,806	(2,529)	2,033	(2,286)	20
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(1,553)			(1,550)			(3)
Foreign currency translation adjustments, net of taxes of $0	(37)				(37)
Share-based compensation	18		18
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 Jun. 30, 2025		10,053,534
Balance, end of period at Jun. 30, 2025	$ 8,583	$ 5,111	$ 7,824	$ (4,079)	$ 1,996	$ (2,286)	$ 17