Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 127,174	$ 144,544
Restricted cash	382	397
Short-term investments	31,406	23,039
Accounts receivable, net of reserve of $344 and $339, respectively	22,537	44,986
Prepaid expense and other current assets	16,348	13,107
Deferred tax assets	8,881	3,776
Total current assets	206,728	229,849
Property and equipment, net	21,517	22,535
Capitalized software development costs, net	26,577	17,967
Intangible assets, net	15,252	9,442
Goodwill	33,461	20,802
Other assets, non-current, net	1,956	313
Total assets	305,491	300,908
Current liabilities:
Accounts payable	3,630	5,057
Accrued expenses and other current liabilities	24,096	18,534
Deferred revenue	72,796	82,030
Total current liabilities	100,522	105,621
Deferred tax liabilities, non-current	9,494	7,086
Deferred rent, non-current	11,422	9,576
Other liabilities, non-current	4,474	4,791
Total liabilities	$ 125,912	$ 127,074
Commitments and contingencies (Note 10)
Stockholders' equity
Preferred stock, $0.001 par value, 100,000,000 shares authorized at September 30, 2015 and December 31, 2014; zero issued and outstanding at September 30, 2015 and December 31, 2014	$ 0	$ 0
Common stock, $0.001 par value; 1,000,000,000 shares authorized at September 30, 2015 and December 31, 2014; 42,458,162 and 41,685,048 shares issued and 41,937,948 and 41,164,834 outstanding at September 30, 2015 and December 31, 2014, respectively	42	42
Treasury stock	(3,966)	(3,966)
Additional paid-in capital	212,196	199,169
Accumulated other comprehensive loss	(256)	(220)
Accumulated deficit	(28,437)	(21,191)
Total stockholders' equity	179,579	173,834
Total liabilities and stockholders' equity	$ 305,491	$ 300,908