Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details)

v2.4.0.8
Net Loss Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Numerator:    
Net loss $ (28,931) $ (38,686)
Denominator:    
Weighted-average common shares outstanding used in computing basic and diluted net loss per share (in shares) 199,857 172,733
Net loss per share, basic and diluted (in dollars per share) $ (0.14) $ (0.22)
Anti-dilutive securities    
Potential common shares outstanding that were excluded from the computation of diluted net loss per share 25,270 33,933
Options to purchase common stock
   
Anti-dilutive securities    
Potential common shares outstanding that were excluded from the computation of diluted net loss per share 13,518 26,047
Restricted stock units
   
Anti-dilutive securities    
Potential common shares outstanding that were excluded from the computation of diluted net loss per share 11,752 7,886