Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Revenue	$ 56,360	$ 53,528
Cost of revenues	8,326	6,442
Gross profit	48,034	47,086
Operating costs and expenses:
Research and development	18,768	15,542
Sales and marketing	41,996	39,972
General and administrative	9,271	7,069
Total operating expenses	70,035	62,583
Operating loss	(22,001)	(15,497)
Financial income (expenses), net	(128)	978
Loss before income taxes	(22,129)	(14,519)
Income taxes	(510)	(527)
Net loss	$ (22,639)	$ (15,046)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.76)	$ (0.53)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	29,827,927	28,362,479
Perpetual licenses
Revenues:
Revenue	$ 15,521	$ 24,086
Subscriptions
Revenues:
Revenue	7,005	1,071
Maintenance and services
Revenues:
Revenue	$ 33,834	$ 28,371