CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 12,634	$ 34,718
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,362	7,140
Amortization of deferred finance fees	0	136
Write-off of deferred finance fees	0	485
Deferred income taxes	1,294	12,010
Gain on sale of assets	(177)	(22,479)
Impairment of long-lived assets	1,049	700
Fixed asset donations	(408)	(2,058)
Provision for doubtful accounts	34,915	26,794
Stock-based compensation expense	3,111	2,889
(Increase) decrease in assets:
Accounts receivable	(48,637)	(26,497)
Inventories	103	(327)
Prepaid expenses and current assets	(11)	(1,235)
Other assets	450	(487)
Increase (decrease) in liabilities:
Accounts payable	(2,033)	(3,677)
Accrued expenses	(7,016)	(1,023)
Unearned tuition	(1,251)	1,952
Income taxes payable	1,038	526
Other liabilities	(541)	(2,120)
Total adjustments	(11,752)	(7,271)
Net cash provided by operating activities	882	27,447
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(8,986)	(7,531)
Proceeds from sale of property and equipment	2,390	45,379
Purchase of short-term investment	(14,758)	0
Net cash (used in) provided by investing activities	(21,354)	37,848
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on borrowings	0	(17,833)
Net share settlement for equity-based compensation	(1,992)	(962)
Dividend payment for preferred stock	(1,111)	(1,219)
Share repurchase	(9,445)	0
Net cash used in financing activities	(12,548)	(20,014)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(33,020)	45,281
CASH, CASH EQUIVALENTS AND RESTRICTED CASH-Beginning of year	83,307	38,026
CASH, CASH EQUIVALENTS AND RESTRICTED CASH-End of year	50,287	83,307
Cash paid during the year for:
Interest	171	1,532
Income taxes	1,471	737
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Liabilities accrued for or noncash purchases of property and equipment	$ 1,300	$ 2,649