Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Subscription	$ 54,936	$ 34,939
Professional services and other	4,024	3,227
Total revenue	58,960	38,166
Cost of Revenues:
Subscription	8,910	6,940
Professional services and other	5,061	3,525
Total cost of revenues	13,971	10,465
Gross profit	44,989	27,701
Operating expenses:
Research and development	9,804	7,501
Sales and marketing	35,198	23,897
General and administrative	9,848	7,715
Total operating expenses	54,850	39,113
Loss from operations	(9,861)	(11,412)
Other (expense) income:
Interest income	179	10
Interest expense	(87)	(32)
Other (expense) income	(333)	628
Total other (expense) income	(241)	606
Loss before income tax provision	(10,102)	(10,806)
Income tax provision	(52)	(52)
Net loss	$ (10,154)	$ (10,858)
Net loss per share, basic and diluted	$ (0.29)	$ (0.34)
Weighted average common shares used in computing basic and diluted net loss per share:	34,692	31,636