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, 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	3,738			3,125			613
Foreign currency translation adjustments, net of taxes of $0	(13)				(13)
Distributions to non-controlling interests	(557)						(557)
Share-based compensation	427		427
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 Mar. 31, 2022		9,956,687
Balance, end of period at Mar. 31, 2022	15,461	$ 5,062	7,121	5,481	19	(2,286)	64
Balance, beginning of period (in shares) at Dec. 31, 2021		9,446,783
Balance, beginning of period at Dec. 31, 2021	10,827	$ 4,807	4,846	3,429	7	(2,286)	24
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	2,398			2,052			346
Foreign currency translation adjustments, net of taxes of $0	12				12
Distributions to non-controlling interests	(306)						(306)
Share-based compensation	173		173
Issuance of common stock for services (in shares)		437
Issuance of common stock for services	1		1
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 Mar. 31, 2022		9,956,687
Balance, end of period at Mar. 31, 2022	15,461	$ 5,062	7,121	5,481	19	(2,286)	64
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	(26)			(148)			122
Foreign currency translation adjustments, net of taxes of $0	2				2
Distributions to non-controlling interests	(124)						(124)
Share-based compensation	190		190
Dividends declared, cash paid per share	(299)			(299)
Retirement plans:
Amortization of accumulated other comprehensive gain into net periodic benefit cost, net of taxes of $0	(40)				(40)
Balance, end of period (in shares) at Mar. 31, 2023		9,956,687
Balance, end of period at Mar. 31, 2023	18,864	$ 5,062	7,541	7,273	1,256	(2,286)	18
Balance, beginning of period (in shares) at Dec. 31, 2022		9,956,687
Balance, beginning of period at Dec. 31, 2022	20,210	$ 5,062	7,466	8,660	1,276	(2,286)	32
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(1,235)			(1,237)			2
Foreign currency translation adjustments, net of taxes of $0	0
Distributions to non-controlling interests	(16)						(16)
Share-based compensation	75		75
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 Mar. 31, 2023		9,956,687
Balance, end of period at Mar. 31, 2023	$ 18,864	$ 5,062	$ 7,541	$ 7,273	$ 1,256	$ (2,286)	$ 18