Quarterly report pursuant to Section 13 or 15(d)

Warrants (Summary Of Shares Indexed To The Warrants) (Details)

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Warrants (Summary Of Shares Indexed To The Warrants) (Details) - shares
Sep. 30, 2015
Dec. 31, 2014
Class of Warrant or Right [Line Items]    
Number of shares indexed 13,158,571 13,205,871
March 31, 2011 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 3,333,333 3,333,333
December 4, 2012 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 174,300 221,600
December 4, 2012 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 40,000 40,000
July 26, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 2,000,000 2,000,000
July 26, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 124,032 124,032
October 16, 2013 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 2,317,309 2,317,309
October 16, 2013 Warrants To Placement Agent [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 407,692 407,692
January 21, 2014 Warrants To Institutional Investors [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 4,761,905 4,761,905