Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Schedule of the computation of historical basic and diluted net loss per share (Details)

v2.4.1.9
Net Loss Per Share - Schedule of the computation of historical basic and diluted net loss per share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Numerator    
Net loss $ (48,257)us-gaap_NetIncomeLoss $ (28,931)us-gaap_NetIncomeLoss
Denominator    
Weighted-average common shares outstanding used in computing basic and diluted net loss per share (in shares) 209,928us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 199,857us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Net loss per share, basic and diluted (in dollars per share) $ (0.23)us-gaap_EarningsPerShareBasicAndDiluted $ (0.14)us-gaap_EarningsPerShareBasicAndDiluted