CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
REVENUE	$ 72,594	$ 70,078	$ 199,427	$ 193,087
COSTS AND EXPENSES:
Educational services and facilities	33,211	33,488	92,940	94,169
Selling, general and administrative	37,451	36,087	111,512	108,091
(Gain) loss on disposition of assets	(211)	427	(211)	537
Total costs & expenses	70,451	70,002	204,241	202,797
OPERATING INCOME (LOSS)	2,143	76	(4,814)	(9,710)
OTHER:
Interest income	1	6	7	25
Interest expense	(754)	(632)	(2,141)	(1,743)
INCOME (LOSS) BEFORE INCOME TAXES	1,390	(550)	(6,948)	(11,428)
PROVISION FOR INCOME TAXES	50	50	244	150
NET INCOME (LOSS)	$ 1,340	$ (600)	$ (7,192)	$ (11,578)
Basic
Net income (loss) per share (in dollars per share)	$ 0.05	$ (0.02)	$ (0.29)	$ (0.47)
Diluted
Net income (loss) per share (in dollars per share)	$ 0.05	$ (0.02)	$ (0.29)	$ (0.47)
Weighted average number of common shares outstanding:
Basic (in shares)	24,563,038	24,532,648	24,550,999	24,386,689
Diluted (in shares)	24,607,504	24,532,648	24,550,999	24,386,689