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Note H - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
|  | (in thousands, except per share data) |
Net income |  | $ | 2,393 |  |  | $ | 881 |  |  | $ | 4,619 |  |  | $ | 2,490 |
Basic weighted average common shares outstanding |  |  | 8,654 |  |  |  | 8,702 |  |  |  | 8,667 |  |  |  | 8,700 |
Dilutive effect of common stock equivalents |  |  | 9 |  |  |  | 1 |  |  |  | 4 |  |  |  | 2 |
Diluted weighted average common shares outstanding |  |  | 8,663 |  |  |  | 8,703 |  |  |  | 8,671 |  |  |  | 8,702 |
Basic earnings per share |  | $ | 0.28 |  |  | $ | 0.10 |  |  | $ | 0.53 |  |  | $ | 0.29 |
Diluted earnings per share |  | $ | 0.28 |  |  | $ | 0.10 |  |  | $ | 0.53 |  |  | $ | 0.29 |

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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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