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Note 6 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |
Net income (loss) (numerator): |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 51,962 |  |  | $ | 81,934 |  |  | $ | (48,083 | )
Income from continuing operations attributable to unvested shares |  |  | (594 | ) |  |  | (1,336 | ) |  |  | — |
Numerator for basic |  |  | 51,368 |  |  |  | 80,598 |  |  |  | (48,083 | )
Loss from continuing operations attributable to unvested shares |  |  | 3 |  |  |  | — |  |  |  | — |
Numerator for dilutive |  | $ | 51,371 |  |  | $ | 80,598 |  |  | $ | (48,083 | )
Loss from discontinued operations, net of tax |  | $ | (72 | ) |  | $ | (98 | ) |  | $ | (98 | )
Loss from discontinued operations attributable to unvested shares |  |  | 1 |  |  |  | 2 |  |  |  | — |
Numerator for basic |  |  | (71 | ) |  |  | (96 | ) |  |  | (98 | )
(Income) loss from discontinued operations attributable to unvested shares |  |  | — |  |  |  | — |  |  |  | — |
Numerator for dilutive |  | $ | (71 | ) |  | $ | (96 | ) |  | $ | (98 | )
Net income (loss) |  | $ | 51,890 |  |  | $ | 81,836 |  |  | $ | (48,181 | )
Net income attributable to unvested shares |  |  | (593 | ) |  |  | (1,334 | ) |  |  | — |
Numerator for basic |  |  | 51,297 |  |  |  | 80,502 |  |  |  | (48,181 | )
Net (income) loss attributable to unvested shares |  |  | 3 |  |  |  | — |  |  |  | — |
Numerator for dilutive |  | $ | 51,300 |  |  | $ | 80,502 |  |  | $ | (48,181 | )
Weighted average shares (denominator): |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  |  | 69,568 |  |  |  | 58,230 |  |  |  | 57,594 |
Effect of dilutive securities |  |  | 414 |  |  |  | 525 |  |  |  | — |
Diluted weighted average shares outstanding |  |  | 69,982 |  |  |  | 58,755 |  |  |  | 57,594 |
Stock options and unvested restricted stock grants excluded from dilutive calculation because they would be anti-dilutive |  |  | 189 |  |  |  | 169 |  |  |  | 3,545 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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