CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2019		8,277,160
Balance, beginning of period at Sep. 30, 2019	$ 1,329	$ 4,223	$ 1,350	$ 859	$ (2,917)	$ (2,286)	$ 100
Increase (Decrease) in Stockholders' Equity (Deficit)
Net (loss) earnings	(1,937)			(1,928)			(9)
Foreign currency translation adjustments, net of taxes of $0	89				89
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	80				80
Net actuarial gains arising during the period, net of taxes of $0	880				880
Curtailment gain, net of taxes of $0	1,699				1,699
Balance, end of period (in shares) at Mar. 31, 2020		8,277,160
Balance, end of period at Mar. 31, 2020	2,140	$ 4,223	1,350	(1,069)	(169)	(2,286)	91
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 (Deficit)
Net (loss) earnings	(51)			(272)			221
Foreign currency translation adjustments, net of taxes of $0	(319)				(319)
Distributions to non-controlling interests	(309)						(309)
Share-based compensation	151		151
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	66				66
Net actuarial gains arising during the period, net of taxes of $0	0
Curtailment gain, net of taxes of $0	0
Balance, end of period (in shares) at Mar. 31, 2021		8,277,160
Balance, end of period at Mar. 31, 2021	$ (2,415)	$ 4,223	$ 1,501	$ (4,169)	$ (1,688)	$ (2,286)	$ 4