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 ($)
Jun. 30, 2016
Dec. 31, 2015
Class of Warrant or Right [Line Items]    
Fair value $ 2,340,978 $ 2,739,163
March 31, 2011 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value   30
December 4, 2012 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 2,540 9,818
December 4, 2012 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value   1,206
July 26, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 27,520 121,420
July 26, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value   384
October 16, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 39,742 169,349
October 16, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value   970
January 21, 2014 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 13,762 131,476
November 12, 2015 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 964,750 2,169,375
November 12, 2015 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value 54,975 $ 135,135
March 2, 2016 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Fair value 1,167,656  
March 2, 2016 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Fair value $ 70,033