CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands	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
Net loss from continuing operations	(4,434)	0	0	0	(4,178)	0	0	(4,178)	(256)
Net income from discontinued operations	0
Differences from translation of subsidiaries' financial statements	201	0	0	0	0	0	195	195	6
Comprehensive income	(4,233)	0	0	0	0	0	0	(3,983)	(250)
Adjustment of non-controlling interests following exercise of USSI option	0	0	273	0	0	0	0	273	(273)
Stock option compensation	142	0	142	0	0	0	0	142	0
Exercise of options	1,293	3	1,564	(274)	0	0	0	1,293	0
Exercise of options (in shares)		363
Dividends	(620)	0	(620)	0	0	0	0	(620)	0
Balances at Mar. 31, 2012	$ 66,149	$ 186	$ 85,973	$ 153	$ (17,200)	$ (3,036)	$ 680	$ 66,756	$ (607)
Balances (in shares) at Mar. 31, 2012		18,689