Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 137,691	$ 105,734
Accounts receivable, net of allowance of $8,645 in 2016 and $13,012 in 2015	5,878	7,917
Prepaid expenses	5,553	10,746
Income tax receivable	1,182	0
Deferred income taxes	4,833	6,714
Total current assets	155,137	131,111
Property and equipment, net	99,155	109,281
Assets held for sale	2,100	0
Investments	14,561	15,915
Goodwill	33,899	38,634
Other assets, net	8,472	8,955
Total assets	313,324	303,896
Current liabilities:
Accounts payable and accrued liabilities	19,095	21,072
Deferred revenue	24,888	29,727
Total current liabilities	43,983	50,799
Deferred income taxes	12,558	15,944
Total liabilities	56,541	66,743
Commitments and contingencies
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; 16,075 issued and outstanding in 2016; 15,989 issued; and outstanding in 2015	161	160
Additional paid-in capital	176,066	173,700
Retained earnings	80,556	63,293
Total stockholders’ equity	256,783	237,153
Total liabilities and stockholders’ equity	$ 313,324	$ 303,896