Annual report pursuant to Section 13 and 15(d)

Warrants (Summary Of Changes In Warrants Outstanding During The Period) (Details)

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Warrants (Summary Of Changes In Warrants Outstanding During The Period) (Details) - $ / shares
 12 Months Ended
Sep. 19, 2016
Mar. 02, 2016
Nov. 12, 2015
Jan. 21, 2014
Dec. 31, 2016
Dec. 31, 2015
Warrants [Abstract]            
Number of warrants, Outstanding         26,491,904 13,205,871
Weigted average exercise price, Outstanding         $ 0.80 $ 1.07
Number of warrants, Issued 18,000,000 11,718,750 12,500,000 4,761,905 31,940,000 13,333,333
Weighted average exercise price, Issued         $ 0.35 $ 0.53
Number of warrants, Exercised           (47,300)
Weighted average exercise price, Exercised           $ 0.47
Number of warrants, Expired         (3,905,057)  
Weighted average exercise price, Expired         $ 1.37  
Number of warrants, Outstanding         54,526,847 26,491,904
Weigted average exercise price, Outstanding         $ 0.49 $ 0.80