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6) Earnings Per Share | 6 Months Ended
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Jun. 30, 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 June 30 |  | Six Months Ended June 30
|  |  | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |  |
| Net earnings |  | $ 3,238,217 |  | $ 2,485,864 |  | $ 20,164,140 |  | $ 4,345,864
Denominator: |  |  |  |  |  |  |  |
| Basic weighted-average shares outstanding |  | 16,252,998 |  | 15,931,031 |  | 16,209,987 |  | 15,879,461
Effect of dilutive securities: |  |  |  |  |  |  |  |
| Employee stock options |  | 234,070 |  | 347,117 |  | 207,364 |  | 361,607
| Diluted weighted-average shares outstanding |  | 16,487,068 |  | 16,278,148 |  | 16,417,351 |  | 16,241,068
Basic net earnings per share |  | $0.20 |  | $0.16 |  | $1.24 |  | $0.27
Diluted net earnings per share |  | $0.20 |  | $0.15 |  | $1.23 |  | $0.27
Net earnings per share amounts have been retroactively adjusted for the effect of annual stock dividends. For the six months June 30, 2018 and 2017, there were 589,822 and 330,225 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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