CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	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, 2018		8,277,160
Balance, beginning of period at Sep. 30, 2018	$ 16,239,000	$ 4,223,000	$ 1,350,000	$ 13,253,000	$ (514,000)	$ (2,286,000)	$ 213,000
Increase (Decrease) in Stockholders' Equity
Cumulative impact from the adoption of ASU No. 2014-09	20,000			20,000
Distributions to non-controlling interests	(107,000)						(107,000)
Net (loss) earnings	(4,573,000)			(4,600,000)			27,000
Foreign currency translation adjustments, net of taxes of $0	(413,000)				(413,000)
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	17,000				17,000
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 Dec. 31, 2018		8,277,160
Balance, end of period at Dec. 31, 2018	11,183,000	$ 4,223,000	1,350,000	8,673,000	(910,000)	(2,286,000)	133,000
Balance, beginning of period (in shares) at Sep. 30, 2019		8,277,160
Balance, beginning of period at Sep. 30, 2019	1,329,000	$ 4,223,000	1,350,000	859,000	(2,917,000)	(2,286,000)	100,000
Increase (Decrease) in Stockholders' Equity
Net (loss) earnings	(419,000)			(414,000)			(5,000)
Foreign currency translation adjustments, net of taxes of $0	5,000				5,000
Retirement plans:
Amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	60,000				60,000
Net actuarial gains arising during the period, net of taxes of $0	880,000				880,000
Curtailment gain, net of taxes of $0	1,699,000				1,699,000
Balance, end of period (in shares) at Dec. 31, 2019		8,277,160
Balance, end of period at Dec. 31, 2019	$ 3,554,000	$ 4,223,000	$ 1,350,000	$ 445,000	$ (273,000)	$ (2,286,000)	$ 95,000