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Note 9 - Net Income Per Share (Restated) (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net income used in the computation of basic and diluted net income per share (in thousands) |  | $ | 8,196 |  |  | $ | 9,944 |  |  | $ | 25,051 |  |  | $ | 28,485 |
Weighted average shares outstanding - basic |  |  | 15,528,534 |  |  |  | 15,084,300 |  |  |  | 15,394,427 |  |  |  | 15,041,738 |
Dilutive common stock equivalents |  |  | 571,316 |  |  |  | 626,822 |  |  |  | 665,259 |  |  |  | 319,297 |
Weighted average shares outstanding - diluted |  |  | 16,099,850 |  |  |  | 15,711,122 |  |  |  | 16,059,686 |  |  |  | 15,361,035 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.53 |  |  | $ | 0.66 |  |  | $ | 1.63 |  |  | $ | 1.89 |
Diluted |  | $ | 0.51 |  |  | $ | 0.63 |  |  | $ | 1.56 |  |  | $ | 1.85 |

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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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