Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share Attributable to Common Stockholders (Details)

v2.4.0.6
Net Loss Per Share Attributable to Common Stockholders (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted average common shares outstanding - Basic 215,634,000 131,107,000
Weighted average common shares outstanding - Common stock options 0 0
Weighted average common shares outstanding - Dilutive Convertible Senior Unsecured Notes and 2008 Loans 0 0
Weighted average common shares outstanding - Diluted $ 215,634,000 $ 131,107,000
basic and diluted net loss per share attributable to common stockholders (US$ per share) $ (0.54) $ (0.43)
Stock options, warrants and unvested stock [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share 18,600,000 2,600,000
Convertible Senior Unsecured Notes [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Debt instrument principal amount   $ 325,000
Convertible Senior Unsecured Notes [Member] | Common Stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share   5,800,000
2008 Loans [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Debt instrument principal amount   $ 250,000
2008 Loans [Member] | Common Stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share   1,700,000