Quarterly report pursuant to Section 13 or 15(d)

Warrants (Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants) (Details)

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Warrants (Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants) (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants $ 855,955 $ 115,415
March 31, 2011 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants (3) 102,077
December 4, 2012 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 1,368 (2,897)
December 4, 2012 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 677 143
July 26, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 30,654 (24,786)
July 26, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 321 4,345
October 16, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 26,440 (17,760)
October 16, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 826 15,179
January 21, 2014 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 25,286 $ 39,114
November 12, 2015 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 328,713  
November 12, 2015 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 21,882  
March 2, 2016 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants 392,145  
March 2, 2016 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Unrealized gain on fair value of warrants $ 27,646