Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Licenses	$ 29,409	$ 22,591	$ 76,984	$ 58,177
Maintenance and services	24,192	18,346	67,171	51,870
Total revenues	53,601	40,937	144,155	110,047
Cost of revenues	5,436	4,116	14,986	11,333
Gross profit	48,165	36,821	129,169	98,714
Operating costs and expenses:
Research and development	11,903	9,290	33,810	27,033
Sales and marketing	32,802	26,410	96,173	77,607
General and administrative	6,711	5,051	18,806	14,379
Total operating expenses	51,416	40,751	148,789	119,019
Operating loss	(3,251)	(3,930)	(19,620)	(20,305)
Financial income (expenses), net	622	(187)	2,041	(146)
Loss before income taxes	(2,629)	(4,117)	(17,579)	(20,451)
Income taxes	(685)	(272)	(1,649)	(781)
Net loss	$ (3,314)	$ (4,389)	$ (19,228)	$ (21,232)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.12)	$ (0.17)	$ (0.70)	$ (0.81)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	27,595,461	26,492,313	27,292,216	26,294,936