SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands		3 Months Ended			6 Months Ended
	Mar. 14, 2017 USD ($) Property	Jun. 30, 2017 USD ($) State	Jun. 30, 2016 USD ($)	Mar. 31, 2015 Campus Segment	Jun. 30, 2017 USD ($) School State Campus Segment	Jun. 30, 2016 USD ($)	Apr. 28, 2017 USD ($)
Business Activities [Abstract]
Number of schools | School					28
Number of states in which schools operate across the United States | State		15			15
Number of campuses treated as destination schools | Campus					5
Number of reportable segments | Segment				3	3
Number of campuses operating under HOPS | Campus				18
Number of campuses closed under HOPS | Campus					7
Number of campuses remaining under HOPS | Campus					11
Liquidity [Abstract]
Cash and cash equivalents		$ 13,400			$ 13,400
Restricted cash		6,200			6,200
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax benefit		50	$ 50		100	$ 100
Income Taxes [Abstract]
Interest and penalties expense		$ 0	$ 0		0	0
West Palm Beach Property [Member]
Liquidity [Abstract]
Number of properties | Property	3
Number of properties agreed to be sold | Property	2
Cash purchase price	$ 15,700
Bridge term loan							$ 8,000
Tambone Companies, LLC [Member]
Liquidity [Abstract]
Number of properties agreed to be sold | Property	2
ASU 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax benefit					$ 0	$ 0