CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2020		8,277,160
Balance, beginning of period at Sep. 30, 2020	$ (1,953)	$ 4,223	$ 1,350	$ (3,897)	$ (1,435)	$ (2,286)	$ 92
Increase (Decrease) in Stockholders' Equity
Net earnings	743			584			159
Foreign currency translation adjustments, net of taxes of $0	(234)				(234)
Distributions to non-controlling interests	(248)						(248)
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	33				33
Balance, end of period (in shares) at Dec. 31, 2020		8,277,160
Balance, end of period at Dec. 31, 2020	(1,659)	$ 4,223	1,350	(3,313)	(1,636)	(2,286)	3
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 earnings	1,340			1,073			267
Foreign currency translation adjustments, net of taxes of $0	(25)				(25)
Distributions to non-controlling interests	(251)						(251)
Share-based compensation	254		254
Issuance of common stock for services (in shares)		1,158
Issuance of common stock for services	2	$ 0	2
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	0
Balance, end of period (in shares) at Dec. 31, 2021		9,446,783
Balance, end of period at Dec. 31, 2021	$ 10,827	$ 4,807	$ 4,846	$ 3,429	$ 7	$ (2,286)	$ 24