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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Loss per Share | 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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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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