CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
REVENUE	$ 63,569	$ 61,120	$ 126,833	$ 123,009
COSTS AND EXPENSES:
Educational services and facilities	29,749	30,179	59,728	60,682
Selling, general and administrative	35,913	34,471	74,062	72,002
Loss (gain) on disposition of assets	0	(7)	1	110
Total costs & expenses	65,662	64,643	133,791	132,794
OPERATING LOSS	(2,093)	(3,523)	(6,958)	(9,785)
OTHER:
Interest income	2	8	7	19
Interest expense	(829)	(539)	(1,386)	(1,112)
LOSS BEFORE INCOME TAXES	(2,920)	(4,054)	(8,337)	(10,878)
PROVISION FOR INCOME TAXES	144	50	194	100
NET LOSS	$ (3,064)	$ (4,104)	$ (8,531)	$ (10,978)
Basic
Net loss per share (in dollars per share)	$ (0.12)	$ (0.17)	$ (0.35)	$ (0.45)
Diluted
Net loss per share (in dollars per share)	$ (0.12)	$ (0.17)	$ (0.35)	$ (0.45)
Weighted average number of common shares outstanding:
Basic (in shares)	24,555,435	24,485,500	24,544,879	24,312,500
Diluted (in shares)	24,555,435	24,485,500	24,544,879	24,312,500