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Earnings (Loss) per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | Basic and diluted EPS were calculated using the following:
|  | Year ended December 31, |
(In thousands, except per share amounts) |  | 2012 |  |  | 2011 |
Net income (loss) |  | $ | (1,813 | ) |  | $ | 30,713 |
Less: income allocated to preferred stockholders |  |  | — |  |  |  | 27 |
Net income (loss) allocated to common stockholders |  | $ | (1,813 | ) |  | $ | 30,686 |
Weighted average shares for basic EPS |  |  | 28,292 |  |  |  | 26,834 |
Add: incremental shares from assumed conversions of stock options |  |  | — |  |  |  | 262 |
Weighted average shares for diluted EPS |  |  | 28,292 |  |  |  | 27,096 |
Basic earnings (loss) per share attributable to common stockholders |  | $ | (0.06 | ) |  | $ | 1.14 |
Diluted earnings (loss) per share attributable to common stockholders |  | $ | (0.06 | ) |  | $ | 1.13 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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