Note 5 - Operating Segments - Income Before Income Taxes (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Income before income taxes | $ 1,379,520 | $ 643,283 | $ 1,508,963 | $ (315,333) |
| Reportable Legal Entities [Member] | ||||
| Income before income taxes | 3,026,000 | 2,294,000 | 4,450,000 | 2,274,000 |
| Intersegment Eliminations [Member] | ||||
| Income before income taxes | $ (1,646,000) | $ (1,651,000) | $ (2,941,000) | $ (2,589,000) |
| 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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