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- Derivative Financial Instruments (Details) (USD $)
 0 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Jul. 31, 2011
Sep. 11, 2012
Warrant [Member]
Dec. 31, 2013
Warrant [Member]
Dec. 31, 2012
Warrant [Member]
Linked Common Shares to Derivative Warrants [Roll Forward]            
Linked common shares to derivative warrants, beginning balance (shares)     250   128,350 154,132
Class of warrant or right, issuance of warrants to underwriters       110,000    
Class of Warrant or Right, Issuance of Warrants to Investors in Private Placement         14,236,472  
Issuance of warrants with preferred stock financing         (4,546) (135,782)
Change in fair value of derivatives         $ 0 $ 0
Linked common shares to derivative warrants, ending balance (shares)     250   14,360,276 128,350
Warrant Liability [Roll Forward]            
Warrant liability beginning balance 1,832,945 2,750     2,750 752,486
Fair value of warrants issued to underwriters       49,170    
Fair value of warrants issued to investors in private placement (shares)         2,344,899  
Fair value of warrants issued with preferred stock financing         0 (19,823)
Change in fair value of derivative         (514,704) (779,083)
Warrant liability ending balance $ 1,832,945 $ 2,750     $ 1,832,945 $ 2,750