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Make-Whole Dividend Liability (Details) (USD $)
3 Months Ended 12 Months Ended 98 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 3 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Dec. 31, 2013
Preferred Stock [Member]
Jun. 30, 2013
Series A Preferred Stock [Member]
Dec. 31, 2013
Series A Preferred Stock [Member]
Oct. 31, 2013
Series B Preferred Stock [Member]
Dec. 31, 2013
Series B Preferred Stock [Member]
Class of Stock [Line Items]                    
Preferred stock, dividend rate             8.00%   5.75% 5.75%
Preferred stock, redemption, term, required make-whole dividend             4 years   5 years  
Preferred stock, dividend, make-whole dividend rate to market value             10.00%   8.00%  
Deemed dividends on preferred stock and accretion of warrants   $ (5,935,762) $ 0 $ 0.00 $ (5,935,762) $ 3,700,000        
Increase (decrease) in fair value of make-whole dividend liability (1,315,383)                  
Preferred stock, shares outstanding (in shares)               362,390   350
Preferred stock, redemption amount               2,900,000   3,500,000
Preferred stock, redemption amount, additional make-whole amount               1,100,000   2,000,000
Make-whole dividend liability $ 3,146,156 $ 3,146,156 $ 0   $ 3,146,156