Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Revenue	$ 66,565	$ 59,621	$ 120,741	$ 115,981
Cost of revenues	10,335	8,398	20,515	16,724
Gross profit	56,230	51,223	100,226	99,257
Operating costs and expenses:
Research and development	24,067	19,722	46,755	38,490
Sales and marketing	42,983	41,656	85,563	83,652
General and administrative	11,274	13,851	22,672	23,122
Total operating expenses	78,324	75,229	154,990	145,264
Operating loss	(22,094)	(24,006)	(54,764)	(46,007)
Financial income (expenses), net	(1,845)	65	(392)	(63)
Loss before income taxes	(23,939)	(23,941)	(55,156)	(46,070)
Income taxes	(384)	(547)	(597)	(1,057)
Net loss	$ (24,323)	$ (24,488)	$ (55,753)	$ (47,127)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.77)	$ (0.81)	$ (1.79)	$ (1.57)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	31,494,291	30,284,421	31,195,152	30,058,593
Subscriptions
Revenues:
Revenue	$ 34,086	$ 14,837	$ 54,451	$ 21,842
Perpetual licenses
Revenues:
Revenue	240	11,514	628	27,035
Maintenance and services
Revenues:
Revenue	$ 32,239	$ 33,270	$ 65,662	$ 67,104