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Note 5 - Earnings Per Share ("EPS") (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Years ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Shares used in the calculation of Basic earnings per share |  |  | 14,678,240 |  |  |  | 14,086,912 |  |  |  | 13,260,739 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Stock options, SAR's, RSA's, and shares held in escrow |  |  | 591,195 |  |  |  | 738,687 |  |  |  | 1,083,838 |
Diluted shares used in the calculation of earnings per share |  |  | 15,269,435 |  |  |  | 14,825,599 |  |  |  | 14,344,577 |

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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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