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Income (Loss) Per Common Share | 9 Months Ended
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Sep. 30, 2014
Earnings Per Share [Abstract] |
Income (Loss) Per Common Share | Note 2: Income (Loss) Per Common Share
|  | Nine Months Ended September 30, |  |  | Three Months Ended September 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
|  | (Dollars in Thousands, Except Per Share Amounts) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 18,977 |  |  | $ | 17,619 |  |  | $ | (3,777 | ) |  | $ | 10,260 |
Dividends on Series B Preferred |  |  | (240 | ) |  |  | (240 | ) |  |  | — |  |  |  | — |
Dividends on Series D Preferred |  |  | (60 | ) |  |  | (60 | ) |  |  | — |  |  |  | — |
Total dividends on preferred stocks |  |  | (300 | ) |  |  | (300 | ) |  |  | — |  |  |  | — |
Numerator for basic net income (loss) per common share - net income (loss) applicable to common stock |  |  | 18,677 |  |  |  | 17,319 |  |  |  | (3,777 | ) |  |  | 10,260 |
Dividends on preferred stocks assumed to be converted, if dilutive |  |  | 300 |  |  |  | 300 |  |  |  | — |  |  |  | — |
Numerator for diluted net income (loss) per common share |  | $ | 18,977 |  |  | $ | 17,619 |  |  | $ | (3,777 | ) |  | $ | 10,260 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income (loss) per common share - weighted-average shares |  |  | 22,557,935 |  |  |  | 22,446,557 |  |  |  | 22,595,634 |  |  |  | 22,477,974 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stocks |  |  | 916,666 |  |  |  | 916,666 |  |  |  | — |  |  |  | 916,666 |
Stock options |  |  | 187,026 |  |  |  | 223,352 |  |  |  | — |  |  |  | 202,645 |
Dilutive potential common shares |  |  | 1,103,692 |  |  |  | 1,140,018 |  |  |  | — |  |  |  | 1,119,311 |
Denominator for diluted net income (loss) per common share - adjusted weighted-average shares and assumed conversions |  |  | 23,661,627 |  |  |  | 23,586,575 |  |  |  | 22,595,634 |  |  |  | 23,597,285 |
Basic net income (loss) per common share |  | $ | 0.83 |  |  | $ | 0.77 |  |  | $ | (0.17 | ) |  | $ | 0.46 |
Diluted net income (loss) per common share |  | $ | 0.80 |  |  | $ | 0.75 |  |  | $ | (0.17 | ) |  | $ | 0.43 |
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:
|  | Nine Months Ended September 30, |  |  | Three Months Ended September 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Convertible preferred stocks |  |  | — |  |  |  | — |  |  |  | 916,666 |  |  |  | — |
Stock options |  |  | 335,757 |  |  |  | 249,000 |  |  |  | 673,415 |  |  |  | 243,000 |
|  |  | 335,757 |  |  |  | 249,000 |  |  |  | 1,590,081 |  |  |  | 243,000 |

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