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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
State
Sep. 30, 2012
Sep. 30, 2013
StudyArea
School
Site
State
Sep. 30, 2012
Business Activities [Abstract]        
Principal areas of study     5  
Schools operated across the United States     38  
Training sites operated across the United States     5  
Number of states in which schools operate 17   17  
Stock-Based Compensation [Abstract]        
Stock-based compensation expense $ 100,000 $ 600,000 $ 2,455,000 $ 2,609,000
Income Taxes [Abstract]        
Deferred tax assets $ 28,400,000   $ 28,400,000