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Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |
|  | 2025 |  |  | 2024 |
|  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |  |  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |
Basic net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  | $ | (431 | ) |  |  | 11,500 |  |  | $ | (0.04 | ) |  | $ | 35 |  |  |  | 11,471 |  |  | $ | 0.00 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock |  |  | — |  |  |  | — |  |  |  |  |  |  |  | — |  |  |  | 19 |  |  |  |  |
Diluted net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders plus assumed dilution |  | $ | (431 | ) |  |  | 11,500 |  |  | $ | (0.04 | ) |  | $ | 35 |  |  |  | 11,490 |  |  | $ | 0.00 |
|  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |
|  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |  |  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |
Basic net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  | $ | (294 | ) |  |  | 11,493 |  |  | $ | (0.03 | ) |  | $ | 396 |  |  |  | 11,464 |  |  | $ | 0.03 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock |  |  | — |  |  |  | — |  |  |  |  |  |  |  | — |  |  |  | 24 |  |  |  |  |
Diluted net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders plus assumed dilution |  | $ | (294 | ) |  |  | 11,493 |  |  | $ | (0.03 | ) |  | $ | 396 |  |  |  | 11,488 |  |  | $ | 0.03 |

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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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