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Note 2 - Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
(in thousands except per share data) |  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Numerators: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 12,143 |  |  | $ | 24,526 |  |  | $ | 28,628 |  |  | $ | 46,693 |
Income from discontinued operations |  |  | 150 |  |  |  | - |  |  |  | 300 |  |  |  | - |
Net income |  | $ | 12,293 |  |  | $ | 24,526 |  |  | $ | 28,928 |  |  | $ | 46,693 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic income per share – weighted-average shares |  |  | 12,939 |  |  |  | 15,514 |  |  |  | 13,150 |  |  |  | 16,058 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equivalent shares issuable upon conversion of unvested restricted shares |  |  | 235 |  |  |  | 237 |  |  |  | 251 |  |  |  | 252 |
Equivalent shares issuable upon conversion of unvested employee stock options |  |  | 400 |  |  |  | 10 |  |  |  | 365 |  |  |  | 11 |
Denominator for diluted income per share adjusted weighted-average shares and assumed conversions |  |  | 13,574 |  |  |  | 15,761 |  |  |  | 13,766 |  |  |  | 16,321 |
Basic income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.94 |  |  | $ | 1.58 |  |  | $ | 2.18 |  |  | $ | 2.91 |
Income from discontinued operations |  |  | 0.01 |  |  |  | - |  |  |  | 0.02 |  |  |  | - |
Net income per share(1) |  | $ | 0.95 |  |  | $ | 1.58 |  |  | $ | 2.20 |  |  | $ | 2.91 |
Diluted income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.90 |  |  | $ | 1.56 |  |  | $ | 2.08 |  |  | $ | 2.86 |
Income from discontinued operations |  |  | 0.01 |  |  |  | - |  |  |  | 0.02 |  |  |  | - |
Net income per share |  | $ | 0.91 |  |  | $ | 1.56 |  |  | $ | 2.10 |  |  | $ | 2.86 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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