CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,891	$ 25,997	$ 12,634
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,334	6,596	6,362
Amortization of deferred finance fees	133	0	0
Finance lease amortization	1,622	175	0
Deferred income taxes	(2,242)	1,632	1,294
Loss on sale of assets	2,119	(30,918)	(177)
Gain on insurance proceeds	(2,794)	0	0
Proceeds from insurance	2,794	0	0
Impairment of goodwill and long-lived assets	0	4,220	1,049
Fixed asset donation	(277)	(239)	(408)
Provision for credit losses	56,578	41,637	34,915
Stock-based compensation expense	4,629	5,894	3,111
(Increase) decrease in assets:
Accounts receivable	(65,984)	(45,757)	(48,637)
Inventories	(184)	(330)	103
Prepaid expenses and current assets	(687)	900	(11)
Other assets	110	1,041	450
Increase (decrease) in liabilities:
Accounts payable	11,583	5,039	(2,033)
Accrued expenses	(1,667)	5,027	(7,016)
Unearned tuition	3,770	2,752	(1,251)
Income taxes payable	(1,760)	777	1,038
Other liabilities	338	1,115	(541)
Total adjustments	19,415	(439)	(11,752)
Net cash provided by operating activities	29,306	25,558	882
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(56,866)	(40,699)	(8,986)
Proceeds from sale of property and equipment	9,895	33,310	2,390
Proceeds from sale of short-term investments	0	39,102	0
Purchase of short-term investments	0	(24,344)	(14,758)
Net cash (used in) provided by investing activities	(46,971)	7,369	(21,354)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of deferred finance fees	(456)	0	0
Net share settlement for equity-based compensation	(3,370)	(2,054)	(1,992)
Dividend payment for preferred stock	0	0	(1,111)
Finance lease principal	(267)	0	0
Tenant allowance finance leases	762	0	0
Share repurchase	0	(891)	(9,445)
Net cash used in financing activities	(3,331)	(2,945)	(12,548)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(20,996)	29,982	(33,020)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - Beginning of year	80,269	50,287	83,307
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - End of year	59,273	80,269	50,287
Cash paid during the year for:
Interest	2,354	110	171
Income taxes	8,836	7,201	1,471
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Liabilities accrued for or noncash purchases of property and equipment	$ 8,181	$ 3,522	$ 1,300