CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 4,489	$ (1,750)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	1,901	1,890
Amortization of deferred finance charges	45	45
Deferred income taxes	1,245	0
Fixed asset donations	(29)	(220)
Provision for doubtful accounts	4,181	6,551
Stock-based compensation expense	493	291
(Increase) decrease in assets:
Accounts receivable	(5,371)	(11,835)
Inventories	(272)	(227)
Prepaid income taxes and income taxes receivable	0	71
Prepaid expenses and current assets	(7,059)	(6)
Other assets, net	429	(127)
Increase (decrease) in liabilities:
Accounts payable	782	(2,195)
Accrued expenses	(5,979)	723
Unearned tuition	(3,213)	(5,127)
Income taxes payable	(55)	0
Other liabilities	114	(31)
Total adjustments	(12,788)	(10,197)
Net cash used in operating activities	(8,299)	(11,947)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(1,219)	(1,287)
Net cash used in investing activities	(1,219)	(1,287)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on borrowings	(500)	(26,500)
Proceeds from borrowings	0	11,000
Dividend payment for preferred stock	(304)	0
Credit of deferred finance fees	0	3
Net share settlement for equity-based compensation	(962)	(172)
Net cash used in financing activities	(1,766)	(15,669)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(11,284)	(28,903)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH-Beginning of period	38,026	38,644
CASH, CASH EQUIVALENTS AND RESTRICTED CASH-End of period	26,742	9,741
Cash paid for:
Interest	331	327
Income taxes	0	1
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Liabilities accrued for or noncash purchases of fixed assets	$ 1,329	$ 721