CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interests
Balance at Sep. 30, 2016	$ 13,744	$ 4,223	$ 1,345	$ 13,852	$ (3,920)	$ (2,286)	$ 530
Balance (in shares) at Sep. 30, 2016		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	6						6
Distributions to non-controlling interests	(748)						(748)
Net (loss) earnings	2,314			1,171			1,143
Share-based compensation	5		5
Foreign currency translation adjustments, net of taxes of $0	147				147
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	326				326
Net actuarial gains (losses) arising during the period, net of taxes of $0	2,389				2,389
Balance at Sep. 30, 2017	18,183	$ 4,223	1,350	15,023	(1,058)	(2,286)	931
Balance (in shares) at Sep. 30, 2017		8,277,160
Increase (Decrease) in Stockholders' Equity
Distributions to non-controlling interests	(1,070)						(1,070)
Net (loss) earnings	(1,418)			(1,770)			352
Foreign currency translation adjustments, net of taxes of $0	(128)				(128)
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	124				124
Net actuarial gains (losses) arising during the period, net of taxes of $0	548				548
Balance at Sep. 30, 2018	$ 16,239	$ 4,223	$ 1,350	$ 13,253	$ (514)	$ (2,286)	$ 213
Balance (in shares) at Sep. 30, 2018		8,277,160