Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash, cash equivalents, and restricted cash (Note 2)	$ 196,839	$ 202,740
Accounts receivable, net of allowance of $6,192 in 2020 and $6,174 in 2019	6,497	11,325
Prepaid expenses	9,489	7,087
Income tax receivable	2,680	1,757
Total current assets	215,505	222,909
Property and equipment, net	76,366	78,495
Operating lease assets, net	11,057	11,658
Investments	10,501	10,502
Goodwill	26,563	26,563
Other assets, net	5,267	4,770
Total assets	345,259	354,897
Current liabilities:
Accounts payable	5,006	3,546
Accrued compensation and benefits	11,016	13,753
Accrued liabilities	7,423	8,270
Deferred revenue and student deposits	19,974	17,426
Operating lease liabilities, current	2,332	2,283
Total current liabilities	45,751	45,278
Operating lease liabilities, long-term	8,890	9,495
Deferred income taxes	5,269	3,391
Total liabilities	59,910	58,164
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $.01 par value; Authorized shares - 10,000; no shares issued or outstanding	0	0
Common stock, $.01 par value; Authorized shares - 100,000; 14,781 issued and outstanding in 2020; 15,178 issued and outstanding in 2019	148	152
Additional paid-in capital	190,423	190,620
Retained earnings	94,778	105,961
Total stockholders’ equity	285,349	296,733
Total liabilities and stockholders’ equity	$ 345,259	$ 354,897