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Note 3 - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | For the Three |  |  | For the Nine |
|  | Months Ended |  |  | Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Weighted-average common shares outstanding |  |  | 9,963,968 |  |  |  | 9,950,342 |  |  |  | 9,960,883 |  |  |  | 9,946,146 |
Average treasury stock shares |  |  | (1,879,310 | ) |  |  | (1,879,310 | ) |  |  | (1,879,310 | ) |  |  | (1,869,706 | )
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 8,084,658 |  |  |  | 8,071,032 |  |  |  | 8,081,573 |  |  |  | 8,076,440 |
Additional common stock equivalents (restricted stock) used to calculate diluted earnings per share |  |  | 62,837 |  |  |  | 15,840 |  |  |  | 48,640 |  |  |  | 15,840 |
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 8,147,495 |  |  |  | 8,086,872 |  |  |  | 8,130,213 |  |  |  | 8,092,280 |

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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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