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Note 9 - Net Income Per Share (Restated) (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net income used in the computation of basic and diluted net income per share (in thousands) |  | $ | 6,377 |  |  | $ | 15,174 |  |  | $ | 16,855 |  |  | $ | 18,541 |
Weighted average shares outstanding - basic |  |  | 15,433,412 |  |  |  | 15,016,062 |  |  |  | 15,327,374 |  |  |  | 15,020,457 |
Dilutive common stock equivalents |  |  | 654,324 |  |  |  | 155,024 |  |  |  | 712,231 |  |  |  | 165,535 |
Weighted average shares outstanding - diluted |  |  | 16,087,736 |  |  |  | 15,171,086 |  |  |  | 16,039,605 |  |  |  | 15,185,992 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.41 |  |  | $ | 1.01 |  |  | $ | 1.10 |  |  | $ | 1.23 |
Diluted |  | $ | 0.40 |  |  | $ | 1.00 |  |  | $ | 1.05 |  |  | $ | 1.22 |

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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=124432515&loc=d3e3550-109257 + Details
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