Note 5 - Federal Income Tax Status (Details Textual) - EBP 94-2156203 002 [Member] |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| EBP, Tax Qualification Status [Extensible Enumeration] | Qualified Plan [Member] |
| EBP, Tax Determination Letter, Date | Jun. 30, 2020 |
| X | ||||||||||
- Definition Date of tax determination letter for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Indicates tax qualification status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|