Note 6 - Related-Party and Party-in-Interest Transactions (Details) - EBP 006 - EBP, Employer, Common Stock - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP, Related Party and Party-in-Interest Transactions [Line Items] | ||
| EBP, Investment, Number of Shares | 654,531 | 681,950 |
| EBP, Investment, Excluding Plan Interest in Master Trust, Cost | $ 46,027,503 | $ 44,224,341 |
| EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment | $ 2,099,859 |
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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 Cost of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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