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Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Loss Per Share [Abstract] |
ScheduleOfDilutiveSecuritiesExcludedFromComputationOfEarningsPerShare [Table Text Block] | At December 31, 2012 and 2011, the Company excluded the following potentially dilutive securities:
| December 31,
| 2012 |  | 2011
Stock Options | 21,686,680 |  |  | 17,143,505 |
Warrants | 55,287,611 |  |  | 37,389,825 |
Series E Preferred Stock, Common stock equivalents | — |  |  | 3,989,669 |
Restricted Shares | 342,500 |  |  | 976,668 |

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