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DISCONTINUED OPERATIONS (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Campus
DISCONTINUED OPERATIONS [Abstract]    
Number of campuses   7
Revenue   $ 3,713
Loss before income taxes   (1,463)
Income tax benefit   (584)
Net loss from discontinued opeartions $ 0 $ (879)