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Net Income (loss) Per Share | 12 Months Ended
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Dec. 31, 2015
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, warrants and restricted stock using the treasury stock method. 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:
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 |
Securities for the year ended December 31, 2013 were excluded from the computation of diluted earnings per share because they would have been anti-dilutive.

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