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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Weighted Average Number Of Shares Used In Computing Earnings Per Share | The following table shows the weighted average number of shares used in computing earnings per share for the three and nine months ended September 30, 2020 and 2019. During 2020 and 2019, there were no potentially dilutive securities outstanding.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Average number of common shares outstanding |  |  | 3,413,304 |  |  |  | 3,436,660 |  |  |  | 3,420,002 |  |  |  | 3,439,980 |
Effect of dilutive common stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Average number of common shares outstanding used to calculate diluted earnings per share |  |  | 3,413,304 |  |  |  | 3,436,660 |  |  |  | 3,420,002 |  |  |  | 3,439,980 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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