CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 109,407	$ 106,092
Accounts receivable, net	14,948	17,375
Prepaid expenses and other current assets	5,624	5,327
Total current assets	129,979	128,794
Long-term restricted investments	1,181	1,181
Property and equipment, net	13,147	11,829
Intangibles assets, net	3,779	4,019
Goodwill	51,438	51,438
Deferred tax assets, net	5,795	6,124
Investments	1,420	1,442
Other assets	507	223
Total assets	207,246	205,050
Current liabilities:
Accrued compensation and employee benefits	3,479	6,611
Accounts payable and accrued expenses	5,484	5,273
Deferred revenue	14,992	13,891
Total current liabilities	23,955	25,775
Deferred rent	3,167	3,365
Other liabilities	1,406	1,776
Total liabilities	28,528	30,916
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized and zero shares issued and outstanding as of March 31, 2018 and December 31, 2017, respectively	0	0
Common stock, $0.01 par value; 100,000,000 shares authorized and 25,913,730 and 25,696,796 shares issued and outstanding at March 31, 2018 and December 31, 2017, respectively	260	258
Additional paid-in capital	181,664	180,695
Accumulated deficit	(3,206)	(6,819)
Total stockholders’ equity	178,718	174,134
Total liabilities and stockholders’ equity	$ 207,246	$ 205,050