CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Warrants [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income [Member]	Parent [Member]	Non-controlling Interests [Member]
Balances at Dec. 31, 2011	$ 69,567	$ 183	$ 84,614	$ 427	$ (13,022)	$ 3,036	$ 485	$ 69,651	$ (84)
Balances (in shares) at Dec. 31, 2011		18,326,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss from continuing operations	(11,777)	0	0	0	(11,040)	0	0	(11,040)	(737)
Differences from translation of subsidiaries' financial statements	229	0	0	0	0	0	232	232	(3)
Comprehensive income	(11,548)	0	0	0	0	0	0	(10,808)	(740)
Dividends	(1,875)	0	(1,875)	0	0	0	0	(1,875)	0
Stock Issued During Period, Shares, Dividend Reinvestment Plan		8,000
Stock Issued During Period, Value, Dividend Reinvestment Plan	69	0	69	0	0	0	0	69	0
Adjustment of non-controlling interests following additional investment by the Company	0	0	(975)	0	0	0	0	(975)	975
Stock option compensation	309	0	309	0	0	0	0	309	0
Stock Option Compensation of Subsidiaries	281	0	0	0	0	0	0	0	281
Exercise of options	1,330	5	1,697	(372)	0	0	0	1,330	0
Exercised	215,197	485,000
Balances at Sep. 30, 2012	$ 58,133