CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue
Revenue	$ 58,925	$ 50,865	$ 108,623	$ 98,947
Cost of revenue
Restructuring expense		224		300
Total cost of revenue	12,404	10,647	23,276	21,010
Gross profit	46,521	40,218	85,347	77,937
Operating expenses:
Research and development	20,863	19,988	39,856	41,817
Sales and marketing	24,845	26,035	48,978	50,522
General and administrative	8,887	7,626	16,120	15,545
Restructuring expense		2,219	579	2,758
Total operating expenses	54,595	55,868	105,533	110,642
Operating loss	(8,074)	(15,650)	(20,186)	(32,705)
Other income (expense) - net	28	540	(80)	952
Loss before income taxes	(8,046)	(15,110)	(20,266)	(31,753)
Income tax expense	462	479	903	936
Net loss	$ (8,508)	$ (15,589)	$ (21,169)	$ (32,689)
Net loss per share, basic and diluted (in dollars per share)	$ (0.07)	$ (0.14)	$ (0.18)	$ (0.30)
Weighted-average shares used to compute net loss per share, basic and diluted (in shares)	115,982	109,245	114,970	108,292
Cloud services
Revenue
Revenue	$ 19,549	$ 16,311	$ 38,183	$ 31,572
Cost of revenue
Cost of revenue	587	433	1,046	987
License
Revenue
Revenue	17,078	12,227	26,088	23,598
Cost of revenue
Cost of revenue	6,824	5,146	12,881	9,856
Software support and services
Revenue
Revenue	22,298	22,327	44,352	43,777
Cost of revenue
Cost of revenue	$ 4,993	$ 4,844	$ 9,349	$ 9,867