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Note 17 - Net Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2020 |  | 2019
Shares issued and outstanding at beginning of period |  |  | 41,495,957 |  |  |  | 35,980,047 |
Weighted average number of shares: |  |  |  |  |  |  |  |
Issued during the period |  |  | 1,260,042 |  |  |  | 2,245,229 |
Weighted average number of shares used in computing basic earnings per share |  |  | 42,755,999 |  |  |  | 38,225,276 |
Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method |  |  | 428,098 |  |  |  | 437,204 |
Number of shares used in computing diluted earnings per share |  |  | 43,184,097 |  |  |  | 38,662,480 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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