CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interests
Balance, beginning of period at Dec. 31, 2013	$ 20,614	$ 4,223	$ 1,291	$ 14,543	$ 2,219	$ (2,286)	$ 624
Balance, beginning of period (in shares) at Dec. 31, 2013		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	16						16
Net (loss) income	(324)			(285)			(39)
Share-based compensation	8		8
Foreign currency translation adjustments, net of taxes of $0	(921)				(921)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	8				8
Balance, end of period at Mar. 31, 2014	19,401	4,223	1,299	14,258	1,306	(2,286)	601
Balance, end of period (in shares) at Mar. 31, 2014		8,277,160
Balance, beginning of period at Sep. 30, 2013	22,320	4,223	1,289	15,532	2,991	(2,286)	571
Balance, beginning of period (in shares) at Sep. 30, 2013		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	80
Net (loss) income	(1,324)			(1,274)			(50)
Share-based compensation	10		10
Foreign currency translation adjustments, net of taxes of $0	(1,701)				(1,701)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	16				16
Balance, end of period at Mar. 31, 2014	19,401	4,223	1,299	14,258	1,306	(2,286)	601
Balance, end of period (in shares) at Mar. 31, 2014		8,277,160
Balance, beginning of period at Sep. 30, 2014	19,945	4,223	1,315	16,204	(258)	(2,286)	747
Balance, beginning of period (in shares) at Sep. 30, 2014		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	90						90
Distributions to non-controlling interests	(334)						(334)
Net (loss) income	(2,156)			(2,484)			328
Share-based compensation	11		11
Foreign currency translation adjustments, net of taxes of $0	(1,179)				(1,179)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	53				53
Balance, end of period at Mar. 31, 2015	16,430	4,223	1,326	13,720	(1,384)	(2,286)	831
Balance, end of period (in shares) at Mar. 31, 2015		8,277,160
Balance, beginning of period at Dec. 31, 2014	19,122	4,223	1,322	15,737	(639)	(2,286)	765
Balance, beginning of period (in shares) at Dec. 31, 2014		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	45						45
Distributions to non-controlling interests	(123)						(123)
Net (loss) income	(1,873)			(2,017)			144
Share-based compensation	4		4
Foreign currency translation adjustments, net of taxes of $0	(772)				(772)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	27				27
Balance, end of period at Mar. 31, 2015	$ 16,430	$ 4,223	$ 1,326	$ 13,720	$ (1,384)		$ 831
Balance, end of period (in shares) at Mar. 31, 2015		8,277,160