| Schedule of Earnings Per Share, Basic and Diluted |
The following table is a reconciliation of net income (loss) and the shares used in calculating basic and diluted net income (loss)per common share for the three and nine months ended September 30, 2015 and 2014 (in thousands, except share and per share data): | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months ended September 30, | | | 2015 | | 2014 | | 2015 | | 2014 | Numerator: | | | | | | | | | Net income (loss) | | $ | 7,047 |
| | $ | 4,284 |
| | $ | (3,410 | ) | | $ | 28,728 |
| Denominator: | | | | | | | | | Weighted average common shares outstanding – Basic | | 46,542,556 |
| | 46,197,713 |
| | 46,241,578 |
| | 46,398,644 |
| Effect of dilutive shares: | | | | | | | | | Common stock equivalents arising from stock options and ESPP | | 90,398 |
| | 286,977 |
| | — |
| | 359,144 |
| Restricted stock awards and units and performance units | | 90,419 |
| | 149,073 |
| | — |
| | 198,640 |
| Weighted average common shares outstanding – Diluted | | 46,723,373 |
| | 46,633,763 |
| | 46,241,578 |
| | 46,956,428 |
| Net income (loss) per common share: | | | | | | | | | Basic | | $ | 0.15 |
| | $ | 0.09 |
| | $ | (0.07 | ) | | $ | 0.62 |
| Diluted | | $ | 0.15 |
| | $ | 0.09 |
| | $ | (0.07 | ) | | $ | 0.61 |
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