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, 2016
Dec. 31, 2015
Class of Warrant or Right [Line Items]    
Number of shares indexed 54,526,847 26,491,904
Expired Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed   3,905,057
December 2012 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 174,300 174,300
July 2013 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 2,000,000 2,000,000
October 2013 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 2,317,309 2,317,309
January 2014 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 4,761,905 4,761,905
November 2015 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 12,500,000 12,500,000
November 2015 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 833,333 833,333
March 2016 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 11,718,750  
March 2016 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 781,250  
September 2016 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 18,000,000  
September 2016 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Number of shares indexed 1,440,000