CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2017		8,277,160
Balance, beginning of period at Sep. 30, 2017	$ 18,183	$ 4,223	$ 1,350	$ 15,023	$ (1,058)	$ (2,286)	$ 931
Increase (Decrease) in Stockholders' Equity
Distributions to non-controlling interests	(506)						(506)
Net (loss) earnings	(371)			(338)			(33)
Share-based compensation	1		1
Foreign currency translation adjustments, net of taxes of $0	(187)				(187)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	63				63
Balance, end of period (in shares) at Mar. 31, 2018		8,277,160
Balance, end of period at Mar. 31, 2018	17,183	$ 4,223	1,351	14,685	(1,182)	(2,286)	392
Balance, beginning of period (in shares) at Sep. 30, 2018		8,277,160
Balance, beginning of period at Sep. 30, 2018	16,239	$ 4,223	1,350	13,253	(514)	(2,286)	213
Increase (Decrease) in Stockholders' Equity
Cumulative impact from the adoption of ASU No. 2014-09	20			20
Distributions to non-controlling interests	(110)						(110)
Net (loss) earnings	(6,724)			(6,725)			1
Foreign currency translation adjustments, net of taxes of $0	(283)				(283)
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 Mar. 31, 2019		8,277,160
Balance, end of period at Mar. 31, 2019	$ 9,175	$ 4,223	$ 1,350	$ 6,548	$ (764)	$ (2,286)	$ 104