Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net income	$ 2,420	$ 1,011
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,338	4,051
Stock-based compensation	1,750	1,689
Equity investment loss	1	1,487
Deferred income taxes	1,878	712
Loss on disposals of long-lived assets	166	126
Impairment of goodwill	0	5,855
Other	6	37
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	4,828	(44)
Prepaid expenses	(2,639)	(923)
Income tax receivable/payable	(923)	(823)
Operating leases, net	45	365
Other assets	(497)	170
Accounts payable	1,460	(6,707)
Accrued compensation and benefits	(2,737)	(6,445)
Accrued liabilities	(122)	4,621
Deferred revenue and student deposits	2,548	2,713
Net cash provided by operating activities	11,522	7,895
Investing activities
Capital expenditures	(1,869)	(1,585)
Net cash used in investing activities	(1,869)	(1,585)
Financing activities
Cash paid for repurchase of common stock	(15,554)	(2,513)
Net cash used in financing activities	(15,554)	(2,513)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(5,901)	3,797
Cash, cash equivalents, and restricted cash at beginning of period	202,740	212,131
Cash, cash equivalents, and restricted cash at end of period	196,839	215,928
Supplemental disclosure of cash flow information
Income taxes paid	$ 21	$ 48