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Earnings Per Share | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share | Note 8 — Earnings per share The Company’s diluted earnings per share give effect to all potential common shares outstanding during a period that do not have an anti-dilutive impact to the calculation. In computing the diluted earnings per share, the treasury stock method is used in determining the number of shares assumed to be purchased from the conversion of Common Stock equivalents. The following summarizes the shares included in the dilutive shares as disclosed in the statements of income:
|  | Year ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Weighted average number of shares for calculation of basic EPS – Common Stock |  |  | 33,652,646 |  |  |  | 28,352,864 |  |  |  | 22,605,518 |
Stock options under Plans |  |  | 470,995 |  |  |  | 509,599 |  |  |  | 849,104 |
Weighted average number of shares for calculation of diluted EPS – Common Stock |  |  | 34,123,641 |  |  |  | 28,862,463 |  |  |  | 23,454,622 |
The accompanying table represents Common Stock issuable upon the exercise of certain stock options and Series C Convertible Preferred Stock that have been excluded from the diluted earnings calculation because the effect of their inclusion would be anti-dilutive.
|  | Year ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Stock options outstanding for the 1993, 1997, 2006 and 2011 Stock Options Plans |  |  | 550,000 |  |  |  | 149,000 |  |  |  | 84,000 |
Series C Convertible Preferred Stock |  |  | — |  |  |  | 1,531,891 |  |  |  | 3,714,518 |
|  |  | 550,000 |  |  |  | 1,680,891 |  |  |  | 3,798,518 |

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