Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue:
Subscription and support	$ 31,236	$ 19,883	$ 59,847	$ 37,438
Professional services and other	4,794	2,621	8,475	4,802
Total revenue	36,030	22,504	68,322	42,240
Cost of revenue:
Subscription and support	6,876	6,321	13,111	12,141
Professional services and other	5,540	3,121	10,381	5,739
Total cost of revenue	12,416	9,442	23,492	17,880
Gross profit:
Subscription and support	24,360	13,562	46,736	25,297
Professional services and other	(746)	(500)	(1,906)	(937)
Total gross profit	23,614	13,062	44,830	24,360
Operating expenses:
Research and development	7,198	5,985	14,329	10,981
Sales and marketing	23,786	15,488	44,154	27,806
General and administrative	5,731	3,876	11,923	7,303
Total operating expenses	36,715	25,349	70,406	46,090
Loss from operations	(13,101)	(12,287)	(25,576)	(21,730)
Other income (expense), net	(186)	(86)	(245)	(147)
Loss before provision for income taxes	(13,287)	(12,373)	(25,821)	(21,877)
Provision (benefit) for income taxes	(16)	17	(30)	37
Net loss	(13,271)	(12,390)	(25,791)	(21,914)
Net loss attributable to redeemable non-controlling interests	159		170
Net loss attributable to Marketo	$ (13,112)	$ (12,390)	$ (25,621)	$ (21,914)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.33)	$ (0.63)	$ (0.64)	$ (1.91)
Shares used in computing net loss per share of common stock, basic and diluted (in shares)	40,271	19,822	39,898	11,472