Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Revenue	$ 270,288	$ 215,390	$ 165,863
Cost of revenues	27,683	20,714	15,737
Gross profit	242,605	194,676	150,126
Operating costs and expenses:
Research and development	69,971	47,369	36,660
Sales and marketing	168,309	133,925	105,639
General and administrative	33,460	26,801	19,822
Total operating expenses	271,740	208,095	162,121
Operating loss	(29,135)	(13,419)	(11,995)
Financial income (expenses), net	970	2,362	(885)
Loss before income taxes	(28,165)	(11,057)	(12,880)
Income taxes	(413)	(2,787)	(1,313)
Net loss	$ (28,578)	$ (13,844)	$ (14,193)
Net loss per share of common stock, basic and diluted	$ (0.984737072521992)	$ (0.5)	$ (0.54)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted	29,020,645	27,467,440	26,406,312
License
Revenues:
Revenue	$ 147,613	$ 120,341	$ 93,243
Maintenance
Revenues:
Revenue	$ 122,675	$ 95,049	$ 72,620