CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
REVENUE	$ 62,470	$ 63,569	$ 132,511	$ 126,833
COSTS AND EXPENSES:
Educational services and facilities	26,245	29,749	56,482	59,728
Selling, general and administrative	35,162	35,913	76,310	74,062
(Gain) loss on disposition of assets	(97)	0	(96)	1
Total costs & expenses	61,310	65,662	132,696	133,791
OPERATING INCOME (LOSS)	1,160	(2,093)	(185)	(6,958)
OTHER:
Interest income	0	2	0	7
Interest expense	(327)	(829)	(682)	(1,386)
INCOME (LOSS) BEFORE INCOME TAXES	833	(2,920)	(867)	(8,337)
PROVISION FOR INCOME TAXES	50	144	100	194
NET INCOME (LOSS)	$ 783	$ (3,064)	$ (967)	$ (8,531)
Basic
Net income (loss) per common share (in dollars per share)	$ 0.02	$ (0.12)	$ (0.06)	$ (0.35)
Diluted
Net income (loss) per common share (in dollars per share)	$ 0.02	$ (0.12)	$ (0.06)	$ (0.35)
Weighted average number of common shares outstanding:
Basic (in shares)	24,741,331	24,555,435	24,669,838	24,544,879
Diluted (in shares)	24,741,331	24,555,435	24,669,838	24,544,879