Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	[1]
CURRENT ASSETS:
Cash and cash equivalents	$ 163,935	$ 107,343
Short-term investments	179,269	153,749
Restricted cash	51	68
Accounts receivable, net of allowance of $1,208 and $ 1,784 as of September 30, 2017 and December 31, 2016, respectively	59,804	62,571
Inventory	475	590
Prepaid expenses and other current assets	14,303	7,922
Insurance recoveries receivable	19,000	0
Total current assets	436,837	332,243
Property and equipment, net	25,884	21,496
Goodwill	36,389	37,448
Acquired intangible assets, net	3,316	8,393
Severance pay fund	6,558	5,070
Restricted cash	2,203	1,884
Deferred tax assets	2,902	1,220
Other assets	1,593	1,065
TOTAL ASSETS	515,682	408,819
CURRENT LIABILITIES:
Accounts payable	5,330	5,529
Accrued compensation and benefits	21,697	20,840
Accrued and other current liabilities	12,834	7,683
Accrued legal settlement	19,000	0
Deferred revenue	111,962	104,042
Total current liabilities	170,823	138,094
Other liabilities	8,358	6,637
Deferred revenue	30,309	26,429
Accrued severance pay	7,440	5,696
TOTAL LIABILITIES	216,930	176,856
Commitments and Contingencies (Note 6)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.0001 par value - 5,000,000 shares authorized, no shares issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	0	0
Common stock, $0.0001 par value - 145,000,000 shares authorized, 34,013,340 and 33,088,990 shares issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	3	3
Additional paid-in capital	559,144	510,257
Accumulated deficit	(260,183)	(276,819)
Accumulated other comprehensive loss	(212)	(1,478)
TOTAL STOCKHOLDERS' EQUITY	298,752	231,963
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 515,682	$ 408,819

[1] The Condensed Consolidated Balance Sheet as of December 31, 2016 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements.