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Note 7 - Income (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
Three months ended June 30, 2015 |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Average |  |  |  |  |
|  |  |  |  |  | Common Shares |  |  |  |  |
|  | Net Income |  |  | Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 689,000 |  |  |  | 3,872,073 |  |  | $ | 0.18 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  |  | N/A |  |  |  | 21,093 |  |  |  | N/A |
Diluted Earnings Per Share |  | $ | 689,000 |  |  |  | 3,893,166 |  |  | $ | 0.18 |
Three months ended June 30, 2014 |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Average |  |  |  |  |
|  |  |  |  |  | Common Shares |  |  |  |  |
|  | Net Income |  |  | Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 525,000 |  |  |  | 3,849,762 |  |  | $ | 0.14 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  |  | N/A |  |  |  | 18,459 |  |  |  | N/A |
Diluted Earnings Per Share |  | $ | 525,000 |  |  |  | 3,868,221 |  |  | $ | 0.14 |
Six months ended June 30, 2015 |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Average |  |  |  |  |
|  |  |  |  |  | Common Shares |  |  |  |  |
|  | Net Income |  |  | Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 978,000 |  |  |  | 3,871,960 |  |  | $ | 0.25 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  |  | N/A |  |  |  | 20,992 |  |  |  | N/A |
Diluted Earnings Per Share |  | $ | 978,000 |  |  |  | 3,892,952 |  |  | $ | 0.25 |
Six months ended June 30, 2014 |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Average |  |  |  |  |
|  |  |  |  |  | Common Shares |  |  |  |  |
|  | Net Income |  |  | Outstanding (1) |  |  | Amount (1) |
Basic Earnings Per Share |  | $ | 844,000 |  |  |  | 3,849,539 |  |  | $ | 0.22 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |
Non-vested Restricted Stock Grants |  |  | N/A |  |  |  | 25,722 |  |  |  | N/A |
Diluted Earnings Per Share |  | $ | 844,000 |  |  |  | 3,875,261 |  |  | $ | 0.22 |

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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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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Namespace Prefix: | us-gaap_
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