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 ($)
Sep. 30, 2017
Dec. 31, 2016
Class of Warrant or Right [Line Items]    
Fair value $ 6,676,091 $ 1,573,366
December 2012 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 10 49
July 2013 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 57,422 2,060
October 2013 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 106,316 3,708
January 2014 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 125,862 714
November 2015 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 1,564,850 260,500
November 2015 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 3,882 13,542
March 2016 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 862,700 358,945
March 2016 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value   21,320
September 2016 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 1,289,457 854,640
September 2016 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value   $ 57,888
June 2017 Investor Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value 2,395,683  
June 2017 Placement Agent Warrants [Member]    
Class of Warrant or Right [Line Items]    
Fair value $ 269,909