SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands		6 Months Ended	12 Months Ended
	Jan. 15, 2015 USD ($)	Jun. 30, 2015 USD ($) Segment School State Site	Dec. 31, 2014 USD ($)	Jul. 31, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Activities [Abstract]
Number of reportable segments | Segment		3
Number of schools operating across the United States | School		31
Number of states in which schools operate across the United States | State		15
Line of Credit Facility [Line Items]
Goodwill impairment loss pre tax charge			$ 39,000
Cash and cash equivalents		$ 4,850	12,299		$ 6,759	$ 12,886
Line of credit amount available		20,000
Assets held for sale		$ 52,393	$ 50,930
New Accounting Pronouncements [Abstract]
Number of training sites | Site		5
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit amount available	$ 20,000
Amount outstanding under letter of credit		$ 7,000
Term Loan [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Outstanding term loan				$ 45,000