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Income (loss) per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2015
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Income (Loss) Per Common Share | The following table sets forth the computation of basic and diluted net income (loss) per common share:
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | (Dollars In Thousands, Except Per Share Amounts) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income: |  | $ | (34,765 | ) |  | $ | 19,634 |  |  | $ | 54,962 |
Dividend requirements on Series E Redeemable Preferred |  |  | (2,287 | ) |  |  | — |  |  |  | — |
Dividends on Series B Preferred |  |  | (240 | ) |  |  | (240 | ) |  |  | (240 | )
Dividends on Series D Preferred |  |  | (60 | ) |  |  | (60 | ) |  |  | (60 | )
Accretion of Series E Redeemable Preferred |  |  | (686 | ) |  |  | — |  |  |  | — |
Total dividends, dividend requirements and accretion on preferred stocks |  |  | (3,273 | ) |  |  | (300 | ) |  |  | (300 | )
Numerator for basic net income (loss) per common share - net income (loss) attributable to common stockholders |  |  | (38,038 | ) |  |  | 19,334 |  |  |  | 54,662 |
Dividends on convertible preferred stocks assumed to be converted, if dilutive |  |  | 300 |  |  |  | — |  |  |  | 300 |
Numerator for diluted net income (loss) per common share |  | $ | (37,738 | ) |  | $ | 19,334 |  |  | $ | 54,962 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income (loss) per common share - weighted- average shares |  |  | 22,758,873 |  |  |  | 22,575,053 |  |  |  | 22,465,176 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stocks |  |  | — |  |  |  | — |  |  |  | 916,666 |
Unvested restricted stock |  |  | — |  |  |  | — |  |  |  | — |
Warrants |  |  | — |  |  |  | — |  |  |  | — |
Stock options |  |  | — |  |  |  | 175,753 |  |  |  | 215,124 |
Dilutive potential common shares |  |  | — |  |  |  | 175,753 |  |  |  | 1,131,790 |
Denominator for dilutive net income (loss) per common share - adjusted weighted-average shares and assumed conversions |  |  | 22,758,873 |  |  |  | 22,750,806 |  |  |  | 23,596,966 |
Basic net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (2.17 | ) |  | $ | 0.21 |  |  | $ | 1.57 |
Income from discontinued operations, including taxes |  | $ | 0.50 |  |  |  | 0.65 |  |  |  | 0.86 |
Net income (loss) |  | $ | (1.67 | ) |  | $ | 0.86 |  |  | $ | 2.43 |
Diluted net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (2.17 | ) |  | $ | 0.21 |  |  | $ | 1.51 |
Income from discontinued operations, including taxes |  | $ | 0.50 |  |  |  | 0.64 |  |  |  | 0.82 |
Net income (loss) |  | $ | (1.67 | ) |  | $ | 0.85 |  |  | $ | 2.33 |
Antidilutive Securities Excluded from Computation of Earnings Per Share | The following weighted-average shares of securities were not included in the computation of diluted net income (loss) per common share as their effect would have been antidilutive:
|  | 2015 |  |  | 2014 |  |  | 2013 |
Convertible preferred stocks |  |  | 916,666 |  |  |  | 916,666 |  |  |  | — |
Stock options |  |  | 898,582 |  |  |  | 392,314 |  |  |  | 246,391 |
Warrants |  |  | 314,808 |  |  |  | — |  |  |  | — |
Series E redeemable preferred stock - embedded derivative |  |  | 34,998 |  |  |  | — |  |  |  | — |
Restricted stock |  |  | 1,448 |  |  |  | — |  |  |  | — |
|  |  | 2,166,502 |  |  |  | 1,308,980 |  |  |  | 246,391 |

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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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