The following tables present basic and diluted earnings per share for the three and nine month periods ended September 30, 2016 and 2015. | | | | | | | | | | | | | | | | Three Months Ended September 30, | | 2016 | | 2015 | | Shares | | Per
Share
Amount | | Shares | | Per
Share
Amount | Basic earnings per share | 8,608,323 |
| | $ | 0.46 |
| | 8,668,618 |
| | $ | 0.47 |
| Effect of dilutive securities - stock options | 10,012 |
| | — |
| | 7,953 |
| | — |
| Diluted earnings per share | 8,618,335 |
| | $ | 0.46 |
| | 8,676,571 |
| | $ | 0.47 |
|
| | | | | | | | | | | | | | | | Nine Months Ended September 30, | | 2016 | | 2015 | | Shares | | Per
Share
Amount | | Shares | | Per
Share
Amount | Basic earnings per share | 8,610,100 |
| | $ | 1.41 |
| | 8,698,394 |
| | $ | 1.20 |
| Effect of dilutive securities - stock options | 8,286 |
| | — |
| | 8,476 |
| | — |
| Diluted earnings per share | 8,618,386 |
| | $ | 1.41 |
| | 8,706,870 |
| | $ | 1.20 |
|
|