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Loss Per Share (Details) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Warrants |  |
Class of Stock [Line Items] |  |
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares | 5,430,137 | 5,828,796
Series E Preferred Stock, Common stock equivalents |  |
Class of Stock [Line Items] |  |
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares | 0 | 336,812
Stock Options [Member] |  |
Class of Stock [Line Items] |  |
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares | 2,647,437 | 2,198,460
Restricted Stock [Member] |  |
Class of Stock [Line Items] |  |
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares | 73,500 | 14,250

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