CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2021		9,445,625
Balance, beginning of period at Sep. 30, 2021	$ 9,507	$ 4,807	$ 4,590	$ 2,356	$ 32	$ (2,286)	$ 8
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	6,327			5,656			671
Foreign currency translation adjustments, net of taxes of $0	(121)				(121)
Distributions to non-controlling interests	(629)						(629)
Share-based compensation	541		541
Issuance of common stock for services (in shares)		1,595
Issuance of common stock for services	3		3
Issuance of common stock, net of costs (in shares)		509,467
Issuance of common stock, net of costs	2,356	$ 255	2,101
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, 2022		9,956,687
Balance, end of period at Jun. 30, 2022	17,984	$ 5,062	7,235	8,012	(89)	(2,286)	50
Balance, beginning of period (in shares) at Mar. 31, 2022		9,956,687
Balance, beginning of period at Mar. 31, 2022	15,461	$ 5,062	7,121	5,481	19	(2,286)	64
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	2,589			2,531			58
Foreign currency translation adjustments, net of taxes of $0	(108)				(108)
Distributions to non-controlling interests	(72)						(72)
Share-based compensation	114		114
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, 2022		9,956,687
Balance, end of period at Jun. 30, 2022	17,984	$ 5,062	7,235	8,012	(89)	(2,286)	50
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
Issuance of common stock for services (in shares)		34,091
Issuance of common stock for services	90	$ 17	73
Dividends declared, cash paid per share	(449)			(449)
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)
Issuance of common stock for services (in shares)		34,091
Issuance of common stock for services	90	$ 17	73
Dividends declared, cash paid per share	(150)			(150)
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