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Note 9 - Earnings Per Share | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 9 – Earnings per Share The calculation of basic and diluted weighted average common shares outstanding is as follows:
|  | 2016 |  |  | 2015 |
Weighted average common shares outstanding basic earnings per share |  |  | 6,285,815 |  |  |  | 6,175,254 |
Effect of potential common share issuance: |  |  |  |  |  |  |  |
Stock options |  |  | --- |  |  |  | 108,053 |
Weighted average common shares outstanding |  |  |  |  |  |  |  |
Diluted earnings per share |  |  | 6,285,815 |  |  |  | 6,283,307 |
Stock options to purchase 284,730 shares of common stock were outstanding and 124,730 were exercisable at December 31, 2016. At December 31, 2016 none of the outstanding options were included in the diluted earnings per share calculation as their effect would have been anti-dilutive. At December 31, 2015 all outstanding options were included in the diluted earnings per share calculation because the average market price was higher than the exercise price.

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