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6) Earnings Per Share | 9 Months Ended
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Sep. 30, 2020
Disclosure Text Block [Abstract] |
6) Earnings Per Share | 6) Earnings Per Share The basic and diluted earnings per share amounts were calculated as follows:
|  |  | Three Months Ended September 30 |  | Nine Months Ended September 30
|  |  | 2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |  |
| Net earnings |  | $ 29,304,769 |  | $ 3,617,414 |  | $ 51,286,265 |  | $ 9,027,786
Denominator: |  |  |  |  |  |  |  |
| Basic weighted-average shares outstanding |  | 18,873,886 |  | 18,551,116 |  | 18,760,884 |  | 18,560,874
Effect of dilutive securities: |  |  |  |  |  |  |  |
| Employee stock options |  | 559,733 |  | 203,975 |  | 404,006 |  | 208,561
| Diluted weighted-average shares outstanding |  | 19,433,619 |  | 18,755,091 |  | 19,164,890 |  | 18,769,435
Basic net earnings per share |  | $1.55 |  | $0.19 |  | $2.73 |  | $0.49
Diluted net earnings per share |  | $1.51 |  | $0.19 |  | $2.68 |  | $0.48
Net earnings per share amounts have been retroactively adjusted for the effect of annual stock dividends. For thenine monthsSeptember 30, 2020 and 2019,there were-0-and 864,915of anti-dilutive employee stock option shares, respectively, that were not included in the computation of diluted net earnings per common share as their effect would be anti-dilutive.

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