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Net Income (loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2015
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 per share data):
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
Net income (loss) | $ | 29,446 |  |  | $ | 6,220 |  |  | $ | (4,112 | )
Denominator for basic earnings per share - weighted average shares | 105,929,205 |  |  | 105,793,008 |  |  | 96,285,504 |
Effect of dilutive securities: Stock options, warrants, and restricted stock (a) | 7,699,277 |  |  | 7,502,496 |  |  | — |
Denominator for diluted earnings per share - weighted average shares adjusted for dilutive securities | 113,628,482 |  |  | 113,295,504 |  |  | 96,285,504 |
Income (loss) per common share - basic | 0.28 |  |  | 0.06 |  |  | (0.04 | )
Income (loss) per common share - diluted | $ | 0.26 |  |  | $ | 0.05 |  |  | $ | (0.04 | )
(a)Securities that are included in the computation of the denominator above, utilizing the treasury stock method for the years ended December 31, 2015 and 2014 are as follows:
Summary of antidilutive securities | Securities that are included in the computation of the denominator above, utilizing the treasury stock method for the years ended December 31, 2015 and 2014 are as follows:
Effect of dilutive securities: | 2015 |  | 2014 |
Stock Options | 7,121,774 |  | 7,035,728 |
Warrants | 33,676 |  | 226,926 |
Restricted Stock Awards | 543,827 |  | 239,842 |
| 7,699,277 |  | 7,502,496 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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