CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue
Revenue	$ 43,689	$ 42,109
Cost of revenue
Cost of revenue	7,977	7,270
Gross profit	35,712	34,839
Operating expenses:
Research and development	21,335	17,193
Sales and marketing	23,681	23,663
General and administrative	7,222	6,188
Litigation settlement charge		1,143
Total operating expenses	52,238	48,187
Operating loss	(16,526)	(13,348)
Other income - net	503	174
Loss before income taxes	(16,023)	(13,174)
Income tax expense	347	199
Net loss	$ (16,370)	$ (13,373)
Net loss per share, basic and diluted (in dollars per share)	$ (0.17)	$ (0.15)
Weighted-average shares used to compute net loss per share, basic and diluted (in shares)	98,645	90,439
License
Revenue
Revenue	$ 12,441	$ 14,420
Cost of revenue
Cost of revenue	431	447
Cloud services
Revenue
Revenue	11,150	9,023
Cost of revenue
Cost of revenue	2,571	1,946
Software support and services
Revenue
Revenue	20,098	18,666
Cost of revenue
Cost of revenue	$ 4,975	$ 4,877