Warrants (Summary Of Shares Indexed To The Warrants) (Details) - shares
|
Sep. 30, 2016 |
Dec. 31, 2015 |
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
54,526,847
|
26,491,904
|
| Expired Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
|
3,905,057
|
| December 2012 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
174,300
|
174,300
|
| July 2013 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
2,000,000
|
2,000,000
|
| October 2013 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
2,317,309
|
2,317,309
|
| January 2014 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
4,761,905
|
4,761,905
|
| November 2015 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
12,500,000
|
12,500,000
|
| November 2015 Placement Agent Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
833,333
|
833,333
|
| March 2016 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
11,718,750
|
|
| March 2016 Placement Agent Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
781,250
|
|
| September 2016 Investor Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
18,000,000
|
|
| September 2016 Placement Agent Warrants [Member] |
|
|
| Class of Warrant or Right [Line Items] |
|
|
| Number of shares indexed |
1,440,000
|
|