Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 147,867	$ 129,245
Tuition receivable, net	20,342	20,532
Income taxes receivable	1,485
Other current assets	10,357	10,766
Total current assets	180,051	160,543
Property and equipment, net	72,706	73,124
Deferred income taxes	32,441	31,096
Goodwill	20,744	20,744
Other assets	12,540	13,189
Total assets	318,482	298,696
Current liabilities:
Accounts payable and accrued expenses	41,286	41,132
Income taxes payable		1,883
Deferred revenue	20,017	16,691
Other current liabilities		133
Total current liabilities	61,303	59,839
Other long-term liabilities	47,978	50,483
Total liabilities	109,281	110,322
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.01; 20,000,000 shares authorized; 11,093,489 and 11,167,425 shares issued and outstanding at December 31, 2016 and June 30, 2017, respectively	112	111
Additional paid-in capital	41,106	35,453
Retained earnings	167,983	152,810
Total stockholders' equity	209,201	188,374
Total liabilities and stockholders' equity	$ 318,482	$ 298,696

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.