Note 5 - Operating Segments - Income Before Income Taxes (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Income before income taxes | $ (220,824) | $ (478,406) | $ 129,444 | $ (958,616) |
| Reportable Legal Entities [Member] | ||||
| Income before income taxes | 619,000 | 101,000 | 1,424,000 | (20,000) |
| Intersegment Eliminations [Member] | ||||
| Income before income taxes | $ (840,000) | $ (579,000) | $ (1,295,000) | $ (939,000) |
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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