Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 3)

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Summary of Significant Accounting Policies (Details 3) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Summary of basic loss attributable to common shareholders    
Net loss $ (9,417,958) $ (9,219,220)
Less preferred dividends   (1,028,351)
Net loss available to common shareholders $ (9,417,958) $ (10,247,571)