The computation of basic and diluted earnings (loss) per common share for the three and six months ended June 30, 2018 and 2017 is as follows (in thousands, except share and per share data): | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2018 | | 2017 | | 2018 | | 2017 | Numerator: | | | | | | | | Net income (loss) | $ | 7,678 |
| | $ | (245 | ) | | $ | 12,405 |
| | $ | (3,117 | ) | Denominator: | |
| | | | | | | Denominator for basic earnings (loss) per common share - weighted-average shares | 27,603,096 |
| | 28,016,122 |
| | 27,466,689 |
| | 28,085,710 |
| Effect of dilutive securities: | |
| | | | | | | Employee stock awards | 268,850 |
| | — |
| | 332,249 |
| | — |
| Denominator for dilutive earnings (loss) per common share | 27,871,946 |
| | 28,016,122 |
| | 27,798,938 |
| | 28,085,710 |
| Basic earnings (loss) per common share | $ | 0.28 |
| | $ | (0.01 | ) | | $ | 0.45 |
| | $ | (0.11 | ) | Diluted earnings (loss) per common share | $ | 0.28 |
| | $ | (0.01 | ) | | $ | 0.45 |
| | $ | (0.11 | ) |
|