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Note 7 - Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
Three months ended September 30, 2015 |  |  |  |  |  | Weighted Average |  |  |  |  |
|  | Net Income |  |  | Common Shares Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 633,000 |  |  |  | 3,872,298 |  |  | $ | 0.16 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  | N/A |  |  |  | 34,622 |  |  | N/A |
Diluted Earnings Per Share |  | $ | 633,000 |  |  |  | 3,906,920 |  |  | $ | 0.16 |
Three months ended September 30, 2014 |  |  |  |  |  | Weighted Average |  |  |  |  |
|  | Net Income |  |  | Common Shares Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 17,261,000 |  |  |  | 3,850,206 |  |  | $ | 4.48 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  | N/A |  |  |  | 28,012 |  |  | N/A |
Diluted Earnings Per Share |  | $ | 17,261,000 |  |  |  | 3,878,218 |  |  | $ | 4.45 |
Nine months ended September 30, 2015 |  |  |  |  |  | Weighted Average |  |  |  |  |
|  | Net Income |  |  | Common Shares Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 1,611,000 |  |  |  | 3,872,074 |  |  | $ | 0.42 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  | N/A |  |  |  | 30,699 |  |  | N/A |
Diluted Earnings Per Share |  | $ | 1,611,000 |  |  |  | 3,902,773 |  |  | $ | 0.41 |
Nine months ended September 30, 2014 |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Weighted Average |  |  |  |  |
|  | Net Income |  |  | Common Shares Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 18,105,000 |  |  |  | 3,849,762 |  |  | $ | 4.70 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  | N/A |  |  |  | 32,647 |  |  | N/A |
Diluted Earnings Per Share |  | $ | 18,105,000 |  |  |  | 3,882,409 |  |  | $ | 4.66 |

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- References No definition available. + Details
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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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