Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Products	$ 20,145	$ 13,645
Maintenance and support	8,381	5,799
Professional services	6,270	4,127
Total revenue	34,796	23,571
Cost of revenue:
Products	2,598	1,546
Maintenance and support	1,681	1,210
Professional services	4,433	3,736
Total cost of revenue	8,712	6,492
Total gross profit	26,084	17,079
Operating expenses:
Research and development	12,342	6,414
Sales and marketing	22,768	13,230
General and administrative	6,593	4,053
Total operating expenses	41,703	23,697
Loss from operations	(15,619)	(6,618)
Other income (expense), net:
Interest income (expense), net	(15)	(685)
Other income (expense), net	196	(305)
Loss before income taxes	(15,438)	(7,608)
Provision for income taxes	142	74
Net loss	(15,580)	(7,682)
Accretion of preferred stock to redemption value		(11,273)
Net loss attributable to common stockholders	$ (15,580)	$ (18,955)
Net loss per share attributable to common stockholders, basic and diluted	$ (0.38)	$ (1.50)
Weighted-average common shares outstanding, basic and diluted	40,547,669	12,642,188