Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Revenue	$ 62,190	$ 49,431	$ 115,718	$ 89,024
Cost of revenues	6,440	4,881	12,882	9,574
Gross profit	55,750	44,550	102,836	79,450
Operating costs and expenses:
Research and development	17,717	11,498	33,259	21,907
Sales and marketing	41,349	32,580	81,321	63,494
General and administrative	7,989	6,579	15,058	12,088
Total operating expenses	67,055	50,657	129,638	97,489
Operating loss	(11,305)	(6,107)	(26,802)	(18,039)
Financial income (expenses), net	(811)	950	167	1,419
Loss before income taxes	(12,116)	(5,157)	(26,635)	(16,620)
Income taxes	(567)	(580)	(1,094)	(780)
Net loss	$ (12,683)	$ (5,737)	$ (27,729)	$ (17,400)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.44)	$ (0.21)	$ (0.97)	$ (0.64)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	28,920,314	27,321,837	28,643,542	27,137,930
Licenses
Revenues:
Revenue	$ 33,460	$ 27,310	$ 58,534	$ 45,402
Maintenance and services
Revenues:
Revenue	$ 28,730	$ 22,121	$ 57,184	$ 43,622