Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Common Stock Outstanding and Reserved Shares of Common Stock for Future Issuance

As of December 31, 2013, we had 140,354,605 shares of common stock outstanding and had reserved shares of common stock for future issuance as follows:

	December 31, 2013
Stock option plan:
Options outstanding	23,399,374
RSUs	5,427,509
Stock awards available for future grants:
2005 Stock Option Plan(1)	—
2012 Equity Incentive Plan(1)	13,169,316
2012 Employee Stock Purchase Plan(1)	5,549,918
Total reserved shares of common stock for future issuance	47,546,117

(1) Refer to Note 12 for a description of these plans.