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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2011
Reconciliation of Average Share Amounts Used to Compute both Basic and Diluted Loss Per Share | The following table reconciles the average share amounts used to compute both basic and diluted loss per share (in thousands):
|  |  | September 30, |  |  |  | September 30, |  |  |  | September 30, |  |  |  | September 30, |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Weighted average share outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  |  | 33,495 |  |  |  | 33,244 |  |  |  | 33,420 |  |  |  | 33,670 |
Add: Dilutive effect of stock options, restricted stock awards and common stock warrants |  |  | 810 |  |  |  | 236 |  |  |  | 762 |  |  |  | 237 |
Diluted weighted average shares outstanding |  |  | 34,305 |  |  |  | 33,480 |  |  |  | 34,182 |  |  |  | 33,907 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + Details
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Namespace Prefix: | us-gaap
Data Type: | nonnum:textBlockItemType
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Period Type: | duration