Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share Attributable to Common Stockholders (Details)

v2.4.0.8
Net Loss Per Share Attributable to Common Stockholders (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted average number of common shares outstanding - basic and diluted 223,207,000 215,634,000
Weighted average common shares outstanding - Common stock options 0  
Weighted average common shares outstanding - Diluted $ 223,207,000 $ 215,634,000
basic and diluted net loss per share attributable to common stockholders (US$ per share) $ (0.44) $ (0.54)
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 14,500,000 18,600,000