Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash, cash equivalents, and restricted cash (Note 2)	$ 202,740	$ 212,131
Accounts receivable, net of allowance of $6,648 in 2018 and $6,174 in 2019.	11,325	14,059
Prepaid expenses	7,087	5,482
Income tax receivable	1,757	898
Total current assets	222,909	232,570
Property and equipment, net	78,495	86,881
Operating lease assets, net	11,658
Investments	10,502	11,966
Goodwill	26,563	33,899
Other assets, net	4,770	5,642
Total assets	354,897	370,958
Current liabilities:
Accounts payable	3,546	9,110
Accrued compensation and benefits	13,753	13,100
Accrued liabilities	8,270	3,808
Deferred revenue and student deposits	17,426	18,310
Operating lease liabilities, current	2,283
Total current liabilities	45,278	44,328
Operating lease liability, long term	9,495
Deferred income taxes	3,391	5,364
Total liabilities	58,164	49,692
Commitments and contingencies (Notes 7 and 11)
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; 16,425 issued and outstanding in 2018; 15,178 issued and outstanding in 2019	152	164
Additional paid-in capital	190,620	187,172
Retained earnings	105,961	133,930
Total stockholders’ equity	296,733	321,266
Total liabilities and stockholders’ equity	$ 354,897	$ 370,958