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
Nov. 12, 2015
Jan. 21, 2014
Oct. 16, 2013
Jul. 26, 2013
Dec. 31, 2015
Dec. 31, 2014
Warrants [Abstract]            
Number of warrants, Outstanding         13,205,871 24,968,868
Weigted average exercise price, Outstanding         $ 1.07 $ 0.86
Number of warrants, Issued 12,500,000 4,761,905 3,567,309 3,990,000 13,333,333 4,761,905
Weighted average exercise price, Issued         $ 0.53 $ 1.28
Number of warrants, Exercised         (47,300) (12,058,871)
Weighted average exercise price, Exercised         $ 0.47 $ 0.52
Number of warrants, Expired           (4,466,031)
Weighted average exercise price, Expired           $ 1.59
Number of warrants, Outstanding         26,491,904 13,205,871
Weigted average exercise price, Outstanding         $ 0.80 $ 1.07