CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) - 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 at Sep. 30, 2019	$ 1,329	$ 4,223	$ 1,350	$ 859	$ (2,917)	$ (2,286)	$ 100
Balance (in shares) at Sep. 30, 2019		8,277,160
Increase (Decrease) in Stockholders' Equity (Deficit)
Net (loss) earnings	(4,677)			(4,756)			79
Foreign currency translation adjustments, net of taxes of $0	(146)				(146)
Distributions to non-controlling interests	(87)						(87)
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	120				120
Net actuarial gain (loss) arising during the period, net of taxes of $0	(218)				(218)
Curtailment gain and gain on termination of post-retirement medical plan, net of taxes of $0	1,726				1,726
Balance at Sep. 30, 2020	(1,953)	$ 4,223	1,350	(3,897)	(1,435)	(2,286)	92
Balance (in shares) at Sep. 30, 2020		8,277,160
Increase (Decrease) in Stockholders' Equity (Deficit)
Net (loss) earnings	7,203			6,253			950
Foreign currency translation adjustments, net of taxes of $0	(283)				(283)
Distributions to non-controlling interests	(1,034)						(1,034)
Share-based compensation	643		643
Issuance of common stock, net of costs (in shares)		1,167,987
Issuance of common stock, net of costs	3,179	$ 583	2,596
Issuance of common stock for services (in shares)		478
Issuance of common stock for services	2	$ 1	1
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	101				101
Net actuarial gain (loss) arising during the period, net of taxes of $0	1,108				1,108
Curtailment gain and gain on termination of post-retirement medical plan, net of taxes of $0	541				541
Balance at Sep. 30, 2021	$ 9,507	$ 4,807	$ 4,590	$ 2,356	$ 32	$ (2,286)	$ 8
Balance (in shares) at Sep. 30, 2021		9,445,625