Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Revenue	$ 67,052	$ 53,365	$ 182,770	$ 142,389
Cost of revenues	7,052	5,423	19,934	14,997
Gross profit	60,000	47,942	162,836	127,392
Operating costs and expenses:
Research and development	17,267	11,903	50,526	33,810
Sales and marketing	40,792	32,458	122,113	95,952
General and administrative	8,774	6,708	23,832	18,796
Total operating expenses	66,833	51,069	196,471	148,558
Operating loss	(6,833)	(3,127)	(33,635)	(21,166)
Financial income, net	99	622	266	2,041
Loss before income taxes	(6,734)	(2,505)	(33,369)	(19,125)
Income taxes	(583)	(759)	(1,677)	(1,539)
Net loss	$ (7,317)	$ (3,264)	$ (35,046)	$ (20,664)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.25)	$ (0.12)	$ (1.21)	$ (0.76)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	29,281,701	27,595,461	28,859,156	27,292,216
Licenses
Revenues:
Revenue	$ 35,804	$ 29,000	$ 94,338	$ 74,402
Maintenance and services
Revenues:
Revenue	$ 31,248	$ 24,365	$ 88,432	$ 67,987