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Note 20 - Net Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2019 |  |  | 2018 |
Shares issued and outstanding at beginning of period |  |  | 39,213,136 |  |  |  | 38,934,161 |
Weighted average number of shares: Issued during the period |  |  | 336,426 |  |  |  | 221,293 |
Weighted average number of shares used in computing basic earnings per share |  |  | 39,549,562 |  |  |  | 39,155,454 |
Assumed exercise of stock options acquired under the Treasury Stock Method |  |  | 431,456 |  |  |  | 639,161 |
Number of shares used in computing diluted earnings per share |  |  | 39,981,018 |  |  |  | 39,794,615 |

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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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