CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue
Revenue	$ 52,201	$ 49,251	$ 151,148	$ 139,069
Cost of revenue
Restructuring expense			300
Total cost of revenue	10,459	8,473	31,469	24,359
Gross profit	41,742	40,778	119,679	114,710
Operating expenses:
Research and development	19,072	18,465	60,889	58,072
Sales and marketing	23,577	22,867	74,099	70,869
General and administrative	6,932	6,806	22,477	21,080
Restructuring expense			2,758
Total operating expenses	49,581	48,138	160,223	150,021
Operating loss	(7,839)	(7,360)	(40,544)	(35,311)
Other income (expense) - net	35	181	987	479
Loss before income taxes	(7,804)	(7,179)	(39,557)	(34,832)
Income tax expense	399	319	1,335	1,043
Net loss	$ (8,203)	$ (7,498)	$ (40,892)	$ (35,875)
Net loss per share, basic and diluted (in dollars per share)	$ (0.07)	$ (0.07)	$ (0.37)	$ (0.35)
Weighted-average shares used to compute net loss per share, basic and diluted (in shares)	110,831	104,032	109,147	101,369
Cloud services
Revenue
Revenue	$ 17,591	$ 13,199	$ 49,163	$ 36,181
Cost of revenue
Cost of revenue	436	529	1,423	1,475
License
Revenue
Revenue	12,216	15,006	35,814	41,327
Cost of revenue
Cost of revenue	5,557	3,331	15,413	8,624
Software support and services
Revenue
Revenue	22,394	21,046	66,171	61,561
Cost of revenue
Cost of revenue	$ 4,466	$ 4,613	$ 14,333	$ 14,260