Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Schedule of Company's Series of Convertible Preferred Stock

The Company had five series of convertible preferred stock as follows as of December 31, 2014 (in thousands, except per share amounts):

	Shares Authorized		Shares Issued and Outstanding		Aggregate Liquidation Preference		Noncumulative DividendPer SharePer Annum
Series A		12,043		12,007	$	12,007	$	0.08
Series B		10,758		10,758		18,420		0.14
Series C		13,613		13,613		55,000		0.32
Series D		7,584		7,584		70,000		0.74
Series E		13,030		10,879		150,456		1.11
Total		57,028		54,841	$	305,883

Schedule of Reserve Share of Common Stock for Issuance

The Company has reserved shares of common stock for issuance as follows (in thousands):

	December 31,
	2015		2014
Series A Convertible Preferred Stock		—		12,007
Series B Convertible Preferred Stock		—		10,758
Series C Convertible Preferred Stock		—		13,613
Series D Convertible Preferred Stock		—		7,584
Series E Convertible Preferred Stock		—		10,879
Stock option plans
Shares available for grant
2013 Equity Incentive Plan		—		694
2015 Equity Incentive Plan		12,006		—
2015 Employee Stock Purchase Plan		1,000		—
Options outstanding		12,795		11,408
Restricted stock units outstanding		1,506		947
Total		27,307		67,890