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Shareholders' Equity (Schedule of Common Stock Sold) (Details) (USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 03, 2012 | Aug. 28, 2012 | Jul. 30, 2012 | Dec. 31, 2012
Shareholders' Equity [Abstract] |  |  |  |  |  |  |
Issuances of common stock, shares | 1,250,000 |  | 1,900,000 |  | 589,227 |  | 3,739,227
Warrants issued | 250,000 |  | 380,000 |  | 117,846 |  | 747,846
Unit price | $ 4.49 |  | $ 2.97 |  | $ 2.97 |  |
Proceeds | $ 5,275,750 | [1] | $ 5,229,201 | [2] | $ 1,745,549 | [3] | $ 12,250,500
Fees in connection with stock sale | $ 336,750 |  | $ 413,719 |  | $ 4,455 |  |
[1] | Net of fees of $336,750
[2] | Net of fees of $413,719
[3] | Net of fees of $4,455

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