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Note 13 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2021 |  |  | 2022 |  |  | 2023 |
Income: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  | 42,963,660 |  |  |  | 106,244,916 |  |  |  | 114,549,279 |
Dividends to Series B preferred shares |  |  | (255,324 | ) |  |  | - |  |  |  | - |
Preferred deemed dividend |  |  | (345,628 | ) |  |  | - |  |  |  | - |
Net income attributable to common shareholders |  |  | 42,362,708 |  |  |  | 106,244,916 |  |  |  | 114,549,279 |
Weighted average common shares –outstanding, basic |  |  | 6,976,905 |  |  |  | 7,181,561 |  |  |  | 6,931,280 |
Basic earnings per share |  |  | 6.07 |  |  |  | 14.79 |  |  |  | 16.53 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Dilutive effect of non-vested shares |  |  | 16,500 |  |  |  | 8,546 |  |  |  | 4,780 |
Weighted average common shares –outstanding, diluted |  |  | 6,993,405 |  |  |  | 7,190,107 |  |  |  | 6,936,060 |
Diluted earnings per share |  |  | 6.06 |  |  |  | 14.78 |  |  |  | 16.52 |

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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 -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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