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NET INCOME (LOSS) PER SHARE | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
NET INCOME (LOSS) PER SHARE | NET INCOME (LOSS) PER SHARE Basic and diluted net income (loss) per share was as follows:
| Years Ended December 31,
| 2014 |  | 2013 |  | 2012
|  |  | (As adjusted)* |  |
| (In thousands, except per share amounts)
Basic net income (loss) per share: |  |  |  |  |
Net income (loss) | $ | 34,004 |  |  | $ | (21,067 | ) |  | $ | 41,204 |
Weighted average common shares outstanding | 32,432 |  |  | 28,416 |  |  | 28,232 |
Basic net income (loss) per common share | $ | 1.05 |  |  | $ | (0.74 | ) |  | $ | 1.46 |
Diluted net income (loss) per share: |  |  |  |  |
Net income (loss) | $ | 34,004 |  |  | $ | (21,067 | ) |  | $ | 41,204 |
Weighted average common shares outstanding — Basic | 32,432 |  |  | 28,416 |  |  | 28,232 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock | 528 |  |  | — |  |  | 284 |
Weighted average common shares for diluted earnings per share | 32,960 |  |  | 28,416 |  |  | 28,516 |
Diluted net income (loss) per common share | $ | 1.03 |  |  | $ | (0.74 | ) |  | $ | 1.44 |
*See Note 2 of these consolidated financial statements for discussion of the impact of the change in accounting for the medical device excise tax. Common stock of approximately 0.2 million, 0.7 million and 1.0 million shares at December 31, 2014, 2013 and 2012, respectively, that are issuable through exercise or conversion of dilutive securities were not included in the computation of diluted net income per share because their effect would have been antidilutive.The Company also has warrants outstanding related to its 2016 Notes at December 31, 2014, 2013, and 2012 and the Company's 2016 Notes are convertible to common shares in certain circumstances (see Note 4). These warrants and the excess conversion value of the 2016 Notes are included in the diluted earnings per share calculation using the treasury stock method, unless the effect of including such items would be anti-dilutive. Performance Shares and Restricted Units that entitle the holders to approximately 0.2 million shares of common stock are included in the basic and diluted weighted average shares outstanding calculation from their date of issuance because no further consideration is due related to the issuance of the underlying common shares.

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