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Note 9 - Basic and Diluted Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Numerator for basic and diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income for the period |  |  | 4,205 |  |  |  | 5,347 |  |  |  | 9,620 |  |  |  | 12,699 |
Denominator for basic and diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average number of common shares outstanding |  |  | 10,626,754 |  |  |  | 10,611,579 |  |  |  | 10,639,544 |  |  |  | 10,599,243 |
Effect of outstanding stock options |  |  | 119,080 |  |  |  | 182,718 |  |  |  | 158,555 |  |  |  | 196,425 |
Diluted weighted average number of shares outstanding |  |  | 10,745,834 |  |  |  | 10,794,297 |  |  |  | 10,798,099 |  |  |  | 10,795,668 |
Basic earnings per common share |  |  | 0.40 |  |  |  | 0.50 |  |  |  | 0.90 |  |  |  | 1.20 |
Diluted earnings per common share |  |  | 0.39 |  |  |  | 0.50 |  |  |  | 0.89 |  |  |  | 1.18 |

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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://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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