CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 85,598	$ 89,955
Accounts receivable, net of allowances of $3,755 and $2,756 at June 30, 2015 and December 31, 2014, respectively	19,375	15,785
Deferred tax assets, net	3,052	3,052
Prepaid expenses and other current assets	3,452	4,696
Total current assets	111,477	113,488
Long-term restricted cash	2,595	2,600
Property and equipment, net	14,354	15,125
Goodwill and intangibles, net	43,489	43,558
Deferred tax assets, net	12,452	13,110
Investments	5,465	5,501
Other assets	96	200
Total assets	189,928	193,582
Current liabilities:
Accounts payable and accrued expenses	11,786	12,463
Deferred revenue	15,810	16,236
Total current liabilities	27,596	28,699
Deferred rent	4,927	5,167
Other liabilities	1,132	1,790
Total liabilities	$ 33,655	$ 35,656
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized and 0 shares issued and outstanding as of June 30, 2015 and December 31, 2014, respectively	$ 0	$ 0
Common stock, $0.01 par value; 100,000,000 shares authorized and 26,295,982 and 26,630,507 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	264	267
Additional paid-in-capital	171,077	171,951
Accumulated other comprehensive income	0	35
Accumulated deficit	(15,068)	(14,327)
Total stockholders’ equity	156,273	157,926
Total liabilities and stockholders’ equity	$ 189,928	$ 193,582