Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Revenue	$ 65,649	$ 67,052	$ 181,630	$ 182,770
Cost of revenues	8,768	7,052	25,492	19,934
Gross profit	56,881	60,000	156,138	162,836
Operating costs and expenses:
Research and development	20,400	17,267	58,890	50,526
Sales and marketing	42,117	40,792	125,769	122,113
General and administrative	10,339	8,774	33,461	23,832
Total operating expenses	72,856	66,833	218,120	196,471
Operating loss	(15,975)	(6,833)	(61,982)	(33,635)
Financial income (expenses), net	(482)	99	(545)	266
Loss before income taxes	(16,457)	(6,734)	(62,527)	(33,369)
Income taxes	(530)	(583)	(1,587)	(1,677)
Net loss	$ (16,987)	$ (7,317)	$ (64,114)	$ (35,046)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.56)	$ (0.25)	$ (2.13)	$ (1.21)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	30,380,154	29,281,701	30,167,161	28,859,156
Perpetual licenses
Revenues:
Revenue	$ 8,269	$ 33,432	$ 35,304	$ 89,789
Subscriptions
Revenues:
Revenue	23,327	2,539	45,169	4,901
Maintenance and services
Revenues:
Revenue	$ 34,053	$ 31,081	$ 101,157	$ 88,080