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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Years ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Weighted average shares outstanding – basic |  |  | 103,440 |  |  |  | 104,141 |  |  |  | 105,359 |
Effect of common stock equivalents |  |  | 1,011 |  |  |  | 1,135 |  |  |  | 1,234 |
Weighted average shares outstanding – diluted |  |  | 104,451 |  |  |  | 105,276 |  |  |  | 106,593 |

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