Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Cost of Revenue Subscription [Member]
Net loss per share attributable to common stockholders:
Allocated share-based compensation expense		$ 282	$ 249	$ 871	$ 348
Cost of Revenue Professional Services and Other [Member]
Net loss per share attributable to common stockholders:
Allocated share-based compensation expense		163	142	441	206
Research and Development [Member]
Net loss per share attributable to common stockholders:
Allocated share-based compensation expense		581	314	1,452	442
Sales and Marketing [Member]
Net loss per share attributable to common stockholders:
Allocated share-based compensation expense		581	391	1,648	563
General and Administrative [Member]
Net loss per share attributable to common stockholders:
Allocated share-based compensation expense		1,026	731	2,683	1,187
Subscription	[1]	25,262	19,787	69,400	54,690
Professional services and other	[1]	3,305	3,366	9,731	9,530
Total revenue		28,567	23,153	79,131	64,220
Subscription	[2]	7,813	6,728	22,514	18,127
Professional services and other	[2]	2,200	2,263	6,870	6,655
Total cost of revenue		10,013	8,991	29,384	24,782
Gross profit		18,554	14,162	49,747	39,438
Research and development	[2]	7,357	6,225	21,146	16,485
Sales and marketing	[2]	7,670	5,966	21,876	15,657
General and administrative	[2]	6,339	3,018	14,374	8,537
Total operating expenses		21,366	15,209	57,396	40,679
Operating income (loss)		(2,812)	(1,047)	(7,649)	(1,241)
Other income, net		161	(40)	509	47
Income (loss) before provision for income taxes		(2,651)	(1,087)	(7,140)	(1,194)
Provision for income taxes		564	532	1,662	1,374
Net loss		$ (3,215)	$ (1,619)	$ (8,802)	$ (2,568)
Basic and diluted (in dollars per share)		$ (0.11)	$ (0.21)	$ (0.29)	$ (0.34)
Weighted average shares used to compute net loss per share attributable to common stockholders—basic and diluted (in shares)		30,505	7,678	29,932	7,572
Allocated share-based compensation expense		$ 2,633	$ 1,827	$ 7,095	$ 2,746

[1] The Company recorded revenue totaling $2.4 million and $3.6 million from related parties during the three months ended September 30, 2015 and 2014, respectively and $6.8 million and $9.9 million during the nine months ended September 30, 2015 and 2014, respectively. Refer to Note 11 to these consolidated financial statements for further information.

[2] Amounts include stock-based compensation expense as follows (in thousands):