Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share (Details)

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Net Loss Per Common Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 81 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Numerator:      
Net loss attributed to Common Stockholders $ (8,858) $ (6,556) $ (98,903)
Denominator:      
Weighted-average common shares outstanding - Denominator for basic and diluted net loss per share 25,182,369 18,604,245  
Basic and diluted net loss per common share attributed to common stockholders $ (0.35) $ (0.35)