CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
REVENUE	$ 70,078	$ 67,308	$ 193,087	$ 194,452
COSTS AND EXPENSES:
Educational services and facilities	33,488	34,070	94,169	99,183
Selling, general and administrative	36,087	35,499	108,091	109,378
Loss (gain) on sale of assets	427	(1,530)	537	(1,619)
Total costs & expenses	70,002	68,039	202,797	206,942
OPERATING INCOME (LOSS)	76	(731)	(9,710)	(12,490)
OTHER:
Interest income	6	7	25	47
Interest expense	(632)	(716)	(1,743)	(6,597)
LOSS BEFORE INCOME TAXES	(550)	(1,440)	(11,428)	(19,040)
PROVISION FOR INCOME TAXES	50	50	150	150
NET LOSS	$ (600)	$ (1,490)	$ (11,578)	$ (19,190)
Basic
Net loss per share (in dollars per share)	$ (0.02)	$ (0.06)	$ (0.47)	$ (0.80)
Diluted
Net loss per share (in dollars per share)	$ (0.02)	$ (0.06)	$ (0.47)	$ (0.80)
Weighted average number of common shares outstanding:
Basic (in shares)	24,532,648	24,023,540	24,386,689	23,866,485
Diluted (in shares)	24,532,648	24,023,540	24,386,689	23,866,485