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Net Income (Loss) Per Share | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share | Net Income (Loss) Per Share Basic net income (loss) per common share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per common share is computed using the weighted-average number of common and dilutive common equivalent shares from stock options, restricted stock, and warrants using the treasury stock method. The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands except share data):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Net income | $ | 3,321 |  |  | $ | 6,551 |  |  | $ | 6,493 |  |  | $ | 16,068 |
Denominator for basic earnings per share - weighted average shares | 105,991,990 |  |  | 106,511,294 |  |  | 105,927,890 |  |  | 106,178,136 |
Effect of dilutive securities: Stock options, restricted stock, and warrants outstanding(a) | 6,369,189 |  |  | 8,044,742 |  |  | 6,265,811 |  |  | 7,931,984 |
Denominator for diluted earnings per share - weighted average shares adjusted for dilutive securities | 112,361,179 |  |  | 114,556,036 |  |  | 112,193,701 |  |  | 114,110,120 |
Income per common share - basic | $ | 0.03 |  |  | $ | 0.06 |  |  | $ | 0.06 |  |  | $ | 0.15 |
Income per common share - diluted | $ | 0.03 |  |  | $ | 0.06 |  |  | $ | 0.06 |  |  | $ | 0.14 |
(a) Securities outstanding that are included in the computation above, utilizing the treasury stock method are as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Outstanding Stock Options | 5,704,112 |  |  | 7,320,155 |  |  | 5,767,469 |  |  | 7,366,426 |
Outstanding Warrants | — |  |  | 38,023 |  |  | — |  |  | 37,820 |
Restricted Stock Awards | 665,077 |  |  | 686,564 |  |  | 498,342 |  |  | 527,738 |
| 6,369,189 |  |  | 8,044,742 |  |  | 6,265,811 |  |  | 7,931,984 |

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