CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - 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	(741)			(865)			124
Foreign currency translation adjustments, net of taxes of $0	17				17
Distributions to non-controlling interests	(128)						(128)
Share-based compensation	178		178
Dividends declared, cash paid per share	(449)			(449)
Issuance of common stock for services (in shares)		34,091
Issuance of common stock for services	90	$ 17	73
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(60)				(60)
Balance, end of period (in shares) at Jun. 30, 2023		9,990,778
Balance, end of period at Jun. 30, 2023	18,068	$ 5,079	7,602	6,406	1,251	(2,286)	16
Balance, beginning of period (in shares) at Mar. 31, 2023		9,956,687
Balance, beginning of period at Mar. 31, 2023	18,864	$ 5,062	7,541	7,273	1,256	(2,286)	18
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(715)			(717)			2
Foreign currency translation adjustments, net of taxes of $0	15				15
Distributions to non-controlling interests	(4)						(4)
Share-based compensation	(12)		(12)
Dividends declared, cash paid per share	(150)			(150)
Issuance of common stock for services (in shares)		34,091
Issuance of common stock for services	90	$ 17	73
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 Jun. 30, 2023		9,990,778
Balance, end of period at Jun. 30, 2023	18,068	$ 5,079	7,602	6,406	1,251	(2,286)	16
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