NON-CONTROLLING INTERESTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
NON-CONTROLLING INTERESTS [Abstract]
Net income attributable to NCI in DSIT	$ 4	$ (56)	$ 69	$ (78)
Net loss attributable to NCI in USSI	(280)	(125)	(806)	(406)
Net Income (Loss) Attributable to Noncontrolling Interest	$ (276)	$ (181)	$ (737)	$ (484)