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Note 2 - Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
(in thousands except per share data) |  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Numerators: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 49,961 |  |  | $ | 16,442 |  |  | $ | 96,654 |  |  | $ | 40,459 |
Income from discontinued operations |  |  | 525 |  |  |  | - |  |  |  | 525 |  |  |  | 2,540 |
Net income |  | $ | 50,486 |  |  | $ | 16,442 |  |  | $ | 97,179 |  |  | $ | 42,999 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic income per share – weighted-average shares |  |  | 14,405 |  |  |  | 16,782 |  |  |  | 15,495 |  |  |  | 16,832 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equivalent shares issuable upon conversion of unvested restricted shares |  |  | 305 |  |  |  | 193 |  |  |  | 271 |  |  |  | 209 |
Equivalent shares issuable upon conversion of unvested employee stock options |  |  | 182 |  |  |  | - |  |  |  | 109 |  |  |  | - |
Denominator for diluted income per share adjusted weighted-average shares and assumed conversions |  |  | 14,892 |  |  |  | 16,975 |  |  |  | 15,875 |  |  |  | 17,041 |
Basic income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 3.47 |  |  | $ | 0.98 |  |  | $ | 6.24 |  |  | $ | 2.40 |
Income from discontinued operations |  |  | 0.04 |  |  |  | - |  |  |  | 0.03 |  |  |  | 0.15 |
Net income |  | $ | 3.50 |  |  | $ | 0.98 |  |  | $ | 6.27 |  |  | $ | 2.55 |
Diluted income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 3.36 |  |  | $ | 0.97 |  |  | $ | 6.09 |  |  | $ | 2.37 |
Income from discontinued operations |  |  | 0.04 |  |  |  | - |  |  |  | 0.03 |  |  |  | 0.15 |
Net income |  | $ | 3.39 |  |  | $ | 0.97 |  |  | $ | 6.12 |  |  | $ | 2.52 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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