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Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2013
Loss Per Share [Abstract] |
ScheduleOfDilutiveSecuritiesExcludedFromComputationOfEarningsPerShare [Table Text Block] | At June 30, 2013 and 2012, the Company excluded the following potentially dilutive securities:
| June 30,
| 2013 |  | 2012
Stock Options | 2,647,437 |  |  | 2,198,460 |
Warrants | 5,430,137 |  |  | 5,828,796 |
Series E Preferred Stock, Common stock equivalents | — |  |  | 336,812 |
Restricted Shares | 73,500 |  |  | 14,250 |

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