Quarterly report pursuant to Section 13 or 15(d)

Warrants (Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants) (Details)

v3.10.0.1
Warrants (Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants $ 1,095,700 $ 5,521,249 $ 4,462,196 $ (12,168,331)
Expired And Fully Exercised Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants   (47,413)   (862,316)
July 2013 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants   368,332 8,762 (181,048)
October 2013 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 6 438,919 26,288 (238,291)
January 2014 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 20 778,762 29,257 (303,048)
November 2015 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 213,847 2,017,712 854,801 (2,102,038)
November 2015 Placement Agent Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 556 (96,560) 2,134 (368,385)
March 2016 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 112,581 702,730 440,035 (3,229,781)
September 2016 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 137,110 928,592 571,485 (5,313,599)
June 2017 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 278,040 383,409 1,101,211 383,409
June 2017 Placement Agent Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 31,031 $ 46,766 128,340 $ 46,766
October 2017 Investor Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants 288,231   1,160,577  
October 2017 Placement Agent Warrants [Member]        
Class of Warrant or Right [Line Items]        
Unrealized gain (loss) on fair value of warrants $ 34,278   $ 139,306