v3.26.1
Note 5 - Income Tax Status (Details Textual) - EBP 20-2991357 003 [Member]
12 Months Ended
Dec. 31, 2025
EBP, Tax Determination Letter, Obtained [true false] false
EBP, Tax Determination Letter, Date Mar. 14, 2013
EBP, Tax Qualification Status [Extensible Enumeration] Qualified Plan [Member]