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Note 11 - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
(Amounts in thousands, except share and per share data) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 9,100 |  |  | $ | 7,652 |  |  | $ | 27,034 |  |  | $ | 20,272 |
Weighted average common shares outstanding, basic |  |  | 16,512,823 |  |  |  | 17,005,654 |  |  |  | 16,717,704 |  |  |  | 17,005,350 |
Dilutive effect of potential common shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 65,910 |  |  |  | 49,739 |  |  |  | 63,898 |  |  |  | 50,140 |
Restricted stock |  |  | 33,683 |  |  |  | 27,336 |  |  |  | 28,823 |  |  |  | 21,468 |
Total dilutive effect of potential common shares |  |  | 99,593 |  |  |  | 77,075 |  |  |  | 92,721 |  |  |  | 71,608 |
Weighted average common shares outstanding, diluted |  |  | 16,612,416 |  |  |  | 17,082,729 |  |  |  | 16,810,425 |  |  |  | 17,076,958 |
Basic earnings per common share |  | $ | 0.55 |  |  | $ | 0.45 |  |  | $ | 1.62 |  |  | $ | 1.19 |
Diluted earnings per common share |  |  | 0.55 |  |  |  | 0.45 |  |  |  | 1.61 |  |  |  | 1.19 |
Antidilutive potential common shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | - |  |  |  | 71,592 |  |  |  | - |  |  |  | 71,592 |
Restricted stock |  |  | 4,263 |  |  |  | - |  |  |  | 2,011 |  |  |  | 4,276 |
Total potential antidilutive shares |  |  | 4,263 |  |  |  | 71,592 |  |  |  | 2,011 |  |  |  | 75,868 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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