Quarterly report pursuant to Section 13 or 15(d)

Warrants (Schedule Of Fair Value Of Warrants Issued) (Details)

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Warrants (Schedule Of Fair Value Of Warrants Issued) (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Class of Warrant or Right [Line Items]    
Fair value $ 4,459,068 $ 2,739,163
March 31, 2011 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 33 30
December 4, 2012 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 8,451 9,818
December 4, 2012 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value 529 1,206
July 26, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 90,766 121,420
July 26, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value 64 384
October 16, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 142,908 169,349
October 16, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value 145 970
January 21, 2014 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 106,190 131,476
November 12, 2015 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 1,840,663 2,169,375
November 12, 2015 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value 113,251 $ 135,135
March 2, 2016 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 2,027,777  
March 2, 2016 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value $ 128,291