Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Anti-dilutive Securities Excluded from Computation of Earnings per Share (Details)

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Summary of Significant Accounting Policies - Summary of Anti-dilutive Securities Excluded from Computation of Earnings per Share (Details) - USD ($)
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Nov. 10, 2014
Jun. 04, 2014
Dec. 04, 2013
Stock options 3,251,250 1,585,750      
Convertible debt $ 14,420,144 $ 917,860 $ 75,000 $ 150,000 $ 223,000
Common stock warrants 19,182,201 17,757,044      
Total potentially dilutive shares 56,531,295 39,334,354      
Series D Convertible Preferred Stock [Member]          
Convertible preferred stock 750,000 750,000      
Series G Convertible Preferred Stock [Member]          
Convertible preferred stock 865,700 865,700      
Series H Convertible Preferred Stock [Member]          
Convertible preferred stock 1,000,000 1,000,000      
Series H2 Convertible Preferred Stock [Member]          
Convertible preferred stock 2,100,000        
Series J Convertible Preferred Stock [Member]          
Convertible preferred stock 3,546,000 4,995,000      
Series K Convertible Preferred Stock [Member]          
Convertible preferred stock 11,416,000 11,463,000