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Note 4 - Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | For the Three |
|  | Months Ended |
|  | March 31, |
|  | 2020 |  |  | 2019 |
Weighted-average common shares issued |  |  | 7,298,740 |  |  |  | 7,270,608 |
Average treasury stock shares |  |  | (881,631 | ) |  |  | (772,330 | )
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 6,417,109 |  |  |  | 6,498,278 |
Additional common stock equivalents (stock options and restricted stock) used to calculate diluted earnings per share |  |  | 12,334 |  |  |  | 12,290 |
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 6,429,443 |  |  |  | 6,510,568 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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