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Earnings Per Share | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | 13. Earnings Per Share The calculation of earnings per share follows:
|  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |  |
Net income |  | $ | 4,598,350 |  |  | $ | 4,052,479 |
Denominator: |  |  |  |  |  |  |  |
Denominator for basic earnings per share: |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 3,370,744 |  |  |  | 3,356,383 |
Effect of dilutive employee stock options |  |  | 171,166 |  |  |  | 368,220 |
Denominator for dilutive earnings per share |  |  | 3,541,910 |  |  |  | 3,724,603 |
Basic earnings per share |  | $ | 1.36 |  |  | $ | 1.21 |
Dilutive earnings per share |  | $ | 1.30 |  |  | $ | 1.09 |
For 2018 and 2017, respectively, 692,600 and 205,500 stock options were excluded from diluted earnings per share calculations because they would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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