Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net (loss) income	$ (5,740)	$ 5,333
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,756	8,148
Amortization of debt issuance costs	431	654
Stock-based compensation	2,224	2,356
Equity investment loss	5	5
Deferred income taxes	688	901
Loss on disposals of long-lived assets	1	793
Gain on acquisition	0	(4,533)
Other	0	5
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	5,280	6,644
Prepaid expenses	(6,025)	(3,623)
Income tax receivable/payable	(2,318)	537
Operating leases, net	1,277	1,218
Other assets	(268)	241
Accounts payable	2,989	(2,492)
Accrued compensation and benefits	1,353	2,401
Accrued liabilities	(1)	2,492
Deferred revenue and student deposits	5,106	4,175
Net cash provided by operating activities	12,758	25,255
Investing activities
Cash received from acquisition, net of cash paid	0	1,932
Capital expenditures	(3,206)	(2,965)
Proceeds from the sale of real property	0	754
Net cash used in investing activities	(3,206)	(279)
Financing activities
Cash paid for repurchase of common stock	(1,366)	(1,444)
Preferred stock dividends paid	(1,455)	0
Cash paid for principal on borrowings and finance leases	(28)	(2,216)
Net cash used in financing activities	(2,849)	(3,660)
Net increase in cash, cash equivalents, and restricted cash	6,703	21,316
Cash, cash equivalents, and restricted cash at beginning of period	129,458	149,627
Cash, cash equivalents, and restricted cash at end of period	136,161	170,943
Supplemental disclosure of cash flow information
Interest paid	2,511	2,700
Income taxes paid	$ 62	$ 41