Note 9 - Related-Party Transactions and Party-in-Interest Transactions (Details Textual) - EBP 27-1560715 001 [Member] - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense | $ 210,865 | ||
| EBP, Employer, Common Stock [Member] | |||
| EBP, Investment, Number of Shares (in shares) | 147,441 | 147,441 | 145,227 |
| EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment | $ 63,919 | ||
| EBP, Trustee [Member] | |||
| EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense | $ 210,865 |
| X | ||||||||||
- Definition Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in net asset available for benefit from dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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