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Net Income Per Share | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share | NET LOSS PER SHARE Basic net income (loss) per share is calculated by dividing net income (loss) by the weighted average number of shares of common stock outstanding during the period, excluding any unvested restricted stock. In calculating diluted net income per share, the numerator is increased by interest and dividends on potentially dilutive securities, net of tax, and the denominator is increased by the weighted average number of shares resulting from potentially dilutive securities, assuming full conversion. No dilutive effect is recognized in a period in which a net loss has occurred.
| Year Ended December 31,
(in millions, except per share amounts) | 2016 |  | 2015
Numerator for basic and diluted calculation: |  |  |
Net loss | $ | (67.0 | ) |  | $ | (187.4 | )
Denominator: |  |  |
Weighted average common shares | 9.1 |  |  | 9.0 |
Denominator for basic calculation | 9.1 |  |  | 9.0 |
Weighted average effect of dilutive securities: |  |  |
Stock compensation awards (a) | — |  |  | — |
Denominator for diluted calculation | 9.1 |  |  | 9.0 |
Net loss per share - basic and diluted | $ | (7.36 | ) |  | $ | (20.82 | )
(a) | Compensation awards under the 2014 Equity Incentive Plan resulted in common stock equivalents of less than 0.1 million shares of common stock and are excluded from the diluted calculation as a result of net losses in the years ended December 31, 2016 and 2015.
Options and warrants to purchase shares of common stock having an exercise price greater than the average share market price are excluded from the calculation of diluted net income per share:
| Year Ended December 31, |
| 2016 |  |  | 2015 |
Options excluded from diluted net income per share | 368,000 |  |  |  | 375,000 |  |
Exercise price of excluded options | $ | 3.90 |  | to |  | $ | 3.90 |  | to
| $ | 5.62 |  |  |  | $ | 5.62 |  |

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