Common Stock (Tables)

12 Months Ended

Dec. 31, 2016

Stockholders Equity Note [Abstract]

Schedule of Common Stock Reserved for Issuance

As of December 31, 2016 and 2015, we reserved shares of common stock for issuance as follows:

	As of December 31,
	2016	2015
Options outstanding	9,835,992	11,498,747
Unvested restricted stock units outstanding	10,474,975	7,832,962
Unvested early exercised stock options	2,471	12,428
Shares available for grant under the 2014 Equity Incentive Plan	4,199,415	6,672,236
Shares available for purchase under the Employee Stock Purchase Plan	575,974	1,561,929
Total	25,088,827	27,578,302