CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Non-controlling Interests
Balance at Dec. 31, 2011	$ 39,340,000	$ 4,223,000	$ 1,289,000	$ 33,949,000	$ 1,136,000	$ (2,286,000)	$ 1,029,000
Balance (in shares) at Dec. 31, 2011		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	120,000						120,000
Net (loss) earnings	(3,329,000)			(2,981,000)			(348,000)
Foreign currency translation adjustments, net of taxes of $0	662,000				662,000
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	65,000				65,000
Balance at Mar. 31, 2012	36,858,000	4,223,000	1,289,000	30,968,000	1,863,000	(2,286,000)	801,000
Balance (in shares) at Mar. 31, 2012		8,277,160
Balance at Sep. 30, 2011	38,714,000	4,223,000	1,289,000	34,231,000	290,000	(2,286,000)	967,000
Balance (in shares) at Sep. 30, 2011		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	240,000						240,000
Net (loss) earnings	(3,669,000)			(3,263,000)			(406,000)
Foreign currency translation adjustments, net of taxes of $0	1,443,000				1,443,000
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	130,000				130,000
Balance at Mar. 31, 2012	36,858,000	4,223,000	1,289,000	30,968,000	1,863,000	(2,286,000)	801,000
Balance (in shares) at Mar. 31, 2012		8,277,160
Balance at Sep. 30, 2012	30,125,000	4,223,000	1,289,000	24,095,000	2,322,000	(2,286,000)	482,000
Balance (in shares) at Sep. 30, 2012		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	115,000						115,000
Net (loss) earnings	(5,709,000)			(5,690,000)			(19,000)
Foreign currency translation adjustments, net of taxes of $0	(970,000)				(970,000)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	130,000				130,000
Balance at Mar. 31, 2013	23,691,000	4,223,000	1,289,000	18,405,000	1,482,000	(2,286,000)	578,000
Balance (in shares) at Mar. 31, 2013		8,277,160
Balance at Dec. 31, 2012	27,089,000	4,223,000	1,289,000	21,349,000	2,017,000	(2,286,000)	497,000
Balance (in shares) at Dec. 31, 2012		8,277,160
Increase (Decrease) in Stockholders' Equity
Contributions from non-controlling interests	60,000						60,000
Net (loss) earnings	(2,923,000)			(2,944,000)			21,000
Foreign currency translation adjustments, net of taxes of $0	(600,000)				(600,000)
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0	65,000				65,000
Balance at Mar. 31, 2013	$ 23,691,000	$ 4,223,000	$ 1,289,000	$ 18,405,000	$ 1,482,000	$ (2,286,000)	$ 578,000
Balance (in shares) at Mar. 31, 2013		8,277,160