Warrants (Summary Of Shares Indexed To The Warrants) (Details)
|
Dec. 31, 2013
|
Oct. 16, 2013
|
Dec. 31, 2012
|
Dec. 18, 2007
December 18, 2007 Financing [Member]
|
Mar. 20, 2008
March 20, 2008 Financing [Member]
|
Jun. 05, 2009
June 5, 2009 Financing [Member]
Series I Warrants [Member]
|
Jun. 05, 2009
June 5, 2009 Financing [Member]
Series II Warrants [Member]
|
Dec. 31, 2013
June 5, 2009 Financing [Member]
Series III Warrants [Member]
|
Dec. 31, 2012
June 5, 2009 Financing [Member]
Series III Warrants [Member]
|
Jun. 05, 2009
June 5, 2009 Financing [Member]
Series III Warrants [Member]
|
Dec. 31, 2013
June 5, 2009 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2012
June 5, 2009 Financing [Member]
Warrants To Placement Agent [Member]
|
Jun. 05, 2009
June 5, 2009 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
October 23, 2009 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
October 23, 2009 Financing [Member]
Warrants To Institutional Investors [Member]
|
Oct. 23, 2009
October 23, 2009 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
October 23, 2009 Financing [Member]
Warrants To Placement Agent [Member]
|
Oct. 23, 2009
October 23, 2009 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
June 30, 2010 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
June 30, 2010 Financing [Member]
Warrants To Institutional Investors [Member]
|
Jun. 30, 2010
June 30, 2010 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
June 30, 2010 Financing [Member]
Warrants To Placement Agent [Member]
|
Jun. 30, 2010
June 30, 2010 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
March 31, 2011 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
March 31, 2011 Financing [Member]
Warrants To Institutional Investors [Member]
|
Mar. 31, 2011
March 31, 2011 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
March 31, 2011 Financing [Member]
Warrants To Placement Agent [Member]
|
Mar. 31, 2011
March 31, 2011 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
December 4, 2012 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2012
December 4, 2012 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 04, 2012
December 4, 2012 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2013
December 4, 2012 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2012
December 4, 2012 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 04, 2012
December 4, 2012 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
July 26, 2013 Financing [Member]
Warrants To Institutional Investors [Member]
|
Jul. 26, 2013
July 26, 2013 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2013
July 26, 2013 Financing [Member]
Warrants To Placement Agent [Member]
|
Jul. 26, 2013
July 26, 2013 Financing [Member]
Warrants To Placement Agent [Member]
|
Dec. 31, 2013
October 16, 2013 Financing [Member]
Warrants To Institutional Investors [Member]
|
Oct. 16, 2013
October 16, 2013 Financing [Member]
Warrants To Institutional Investors [Member]
|
Dec. 31, 2013
October 16, 2013 Financing [Member]
Warrants To Placement Agent [Member]
|
Oct. 16, 2013
October 16, 2013 Financing [Member]
Warrants To Placement Agent [Member]
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of shares indexed | 24,968,868 | 36,508,383 | 21,656,142 | 1,078,579 | 128,572 | 2,222,222 | 1,866,666 | 1,555,555 | 1,555,555 | 1,555,555 | 132,143 | 132,143 | 142,857 | 1,228,333 | 1,228,333 | 2,125,334 | 18,445 | 245,932 | 2,000,000 | 2,000,000 | 2,000,000 | 200,000 | 200,000 | 3,333,333 | 3,333,333 | 3,333,333 | 208,333 | 208,333 | 7,418,503 | 12,100,000 | 12,100,000 | 880,000 | 880,000 | 880,000 | 3,990,000 | 3,990,000 | 456,000 | 456,000 | 3,567,309 | 3,567,308 | 407,692 | 407,692 |