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Stockholders' Equity (Deficit) (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders Equity Note [Abstract]

Summary of Number of Shares of Common Stock Reserved

The Company has reserved the following number of shares of common stock at December 31, 2014 and 2013:

		As of December 31,
		2014				2013
Redeemable convertible preferred stock			—				6,954,691
Warrants to purchase common stock			128,663				—
Common stock options			3,561,104				1,201,770
Total			3,689,767				8,156,461

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Schedule of common stock capital shares reserved for future issuance.

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