Stockholders' Equity and Redeemable Non-controlling Interests (Tables)

6 Months Ended

Jun. 30, 2014

Stockholders' Equity and Redeemable Non-controlling Interests

Summary of activity in stockholders' equity and redeemable non-controlling interests

The following table summarizes the activity in stockholders’ equity and redeemable non-controlling interests for the period indicated below (in thousands):

	Total Stockholders’ Equity			Redeemable Non-controlling Interests
Balance as of December 31, 2013	$	128,442		$	—
Issuance of common stock upon exercise and early exercise of stock options	3,296			—
Issuance of common stock under employee stock purchase plan	3,384			—
Investment by redeemable non-controlling interests	369			1,585
Withholding taxes for the net share settlement of equity awards	(1,698		)	—
Vesting of early exercised options	190			—
Costs incurred with follow-on offering	62			—
Stock-based compensation expense	10,949			—
Net loss	(25,621		)	(170		)
Foreign currency translation adjustments	47			18
Balance as of June 30, 2014	$	119,420		$	1,433