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Note 16 - Shares Outstanding and Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the years ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
(in thousands, except per share data) |  |  |  |  |  |  |  |  |
Weighted average basic shares outstanding |  |  | 10,989 |  |  |  | 10,937 |  |  |  | 10,905 |
Assumed exercise of stock options and issuance of stock awards |  |  | 6 |  |  |  | 14 |  |  |  | 13 |
Weighted average diluted shares outstanding |  |  | 10,995 |  |  |  | 10,951 |  |  |  | 10,918 |
Net income |  | $ | 2,277 |  |  | $ | 24,970 |  |  | $ | 2,132 |
Basic earnings per share |  | $ | 0.21 |  |  | $ | 2.28 |  |  | $ | 0.20 |
Diluted earnings per share |  | $ | 0.21 |  |  | $ | 2.28 |  |  | $ | 0.20 |
Anti-dilutive securities outstanding |  |  | 194 |  |  |  | 61 |  |  |  | 101 |

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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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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration