CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 48,565	$ 2,015
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,400	8,116
Amortization of deferred finance fees	181	190
Write-off of deferred finance fees	0	512
Deferred income taxes	(35,871)	153
Gain on disposition of assets	(81)	(567)
Fixed asset donation	(334)	(1,084)
Provision for doubtful accounts	26,888	20,847
Stock-based compensation expense	1,686	679
(Increase) decrease in assets:
Accounts receivable	(37,383)	(25,986)
Inventories	(786)	(157)
Prepaid income taxes and income taxes receivable	383	219
Prepaid expenses and current assets	158	(502)
Other assets	193	(1,368)
Increase (decrease) in liabilities:
Accounts payable	856	444
Accrued expenses	8,823	(1,687)
Unearned tuition	42	866
Income taxes payable	491	0
Other liabilities	2,274	(1,702)
Total adjustments	(25,080)	(1,027)
Net cash provided by operating activities	23,485	988
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(5,580)	(5,385)
Proceeds from insurance settlement	97	575
Net cash used in investing activities	(5,483)	(4,810)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from borrowings	11,000	40,045
Payments on borrowings	(28,000)	(54,514)
Credit (payment) of deferred finance fees	3	(975)
Net share settlement for equity-based compensation	(245)	(18)
Dividend payment for preferred stock	(1,378)	0
Proceeds from sale of convertible preferred stock	0	12,700
Payment of convertible preferred stock issuance costs	0	(718)
Net cash used in financing activities	(18,620)	(3,480)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(618)	(7,302)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - Beginning of year	38,644	45,946
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - End of year	38,026	38,644
Cash paid during the year for:
Interest	1,110	2,155
Income taxes	179	118
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Liabilities accrued for or noncash purchases of property and equipment	$ 975	$ 2,852