CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interests
Balance, beginning of period (in shares) at Sep. 30, 2015		8,277,160
Balance, beginning of period at Sep. 30, 2015	$ 19,262	$ 4,223	$ 1,335	$ 17,467	$ (2,122)	$ (2,286)	$ 645
Increase (Decrease) in Stockholders' Equity
Distributions to non-controlling interests	(866)						(866)
Net earnings (loss)	(1,488)			(2,242)			754
Share-based compensation	8		8
Foreign currency translation adjustments, net of taxes of $0	113				113
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	127				127
Balance, end of period (in shares) at Jun. 30, 2016		8,277,160
Balance, end of period at Jun. 30, 2016	17,156	$ 4,223	1,343	15,225	(1,882)	(2,286)	533
Balance, beginning of period (in shares) at Sep. 30, 2016		8,277,160
Balance, beginning of period at Sep. 30, 2016	13,744	$ 4,223	1,345	13,852	(3,920)	(2,286)	530
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	6						6
Distributions to non-controlling interests	(617)						(617)
Net earnings (loss)	1,046			514			532
Share-based compensation	4		4
Foreign currency translation adjustments, net of taxes of $0	33				33
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	244				244
Balance, end of period (in shares) at Jun. 30, 2017		8,277,160
Balance, end of period at Jun. 30, 2017	$ 14,460	$ 4,223	$ 1,349	$ 14,366	$ (3,643)	$ (2,286)	$ 451