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Earnings Per Share | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | Note 5 – Earnings Per Share Basic earnings per share is computed using the weighted-average number of shares outstanding. Diluted earnings per share is computed using the weighted-average number of shares outstanding adjusted for the incremental shares attributed to outstanding stock equivalents. Stock e quivalents include common stock issuable upon the exercise of stock options and other equity instruments, and a re computed using the treasury stock method. Under the treasury stock method, the exercise price of a share and the amount of compensation cost, if any, for future service that the Company has not yet recognized are assumed to be used to repurchase shares in the current period. The following table sets forth the calculation of basic and diluted earnings per share:
|  |  | Three Months Ended
|  |  | March 31,
(in thousands, except per share data) |  |  | 2019 |  |  | 2018
Net income (loss) |  | $ | 13,773 |  | $ | (23,641)
Denominator for basic earnings per share - weighted-average number of |  |  |  |  |  |
| common shares outstanding during the period |  |  | 40,630 |  |  | 48,517
Incremental common shares attributable to exercise of dilutive options |  |  | 76 |  |  | —
Incremental common shares attributable to outstanding restricted |  |  |  |  |  |
| stock units |  |  | 147 |  |  | —
Denominator for diluted earnings per share |  |  | 40,853 |  |  | 48,517
Basic earnings (loss) per share |  |  | $0.34 |  |  | $(0.49)
Diluted earnings (loss) per share |  |  | $0.34 |  |  | $(0.49)
Restricted stock units totaling 0.1 million shares for the three months ended March 31, 2019 were not included in the computation of diluted earnings per share because their effect would have been anti-dilutive. Potentially dilutive securities totaling 0.3 million common shares for the three months ended March 31, 2018 were not included in the computation of diluted loss per share because their effect would have decreased the loss per share.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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