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Earnings Per Share | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Share | 9. Earnings Per Share Shares used in calculating basic and diluted earnings per share are as follows:
|  | Year Ended |
|  | December 31, |
|  | 2020 |  | 2019 |
Basic |  | 19,117,460 |  | 18,857,657 |
Effect of exercise of warrants |  | — |  | — |
Effect of exercise of stock options |  | — |  | — |
Diluted |  | 19,117,460 |  | 18,857,657 |
As a result of the net loss presented for the Current Year and Prior Year, the Company calculated diluted earnings per share using basic weighted-average shares outstanding for such period, as utilizing diluted shares would be anti-dilutive to loss per share. The computation of basic and diluted earnings per share excludes the common stock equivalents of the following potentially dilutive securities because their inclusion would be anti-dilutive:
|  | Year Ended |
|  | December 31, |
|  | 2020 |  | 2019 |
Stock options and warrants |  | 7,759,190 |  | 7,802,440 |

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