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6) Earnings Per Share | 3 Months Ended
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Mar. 31, 2018
Notes |
6) Earnings Per Share | 6) Earnings Per Share The basic and diluted earnings per share amounts were calculated as follows:
|  |  | Three Months Ended March 31
|  |  | 2018 |  | 2017
Numerator: |  |  |  |
| Net earnings |  | $ 16,925,923 |  | $ 1,860,000
Denominator: |  |  |  |
| Basic weighted-average shares outstanding |  | 16,171,412 |  | 15,827,495
Effect of dilutive securities: |  |  |  |
| Employee stock options |  | 176,365 |  | 493,335
| Diluted weighted-average shares outstanding |  | 16,347,777 |  | 16,320,830
Basic net earnings per share |  | $1.05 |  | $0.12
Diluted net earnings per share |  | $1.04 |  | $0.11
Net earnings per share amounts have been retroactively adjusted for the effect of annual stock dividends. For the three months March 31, 2018 and 2017, there were 589,822 and 89,250 of 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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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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