Annual report [Section 13 and 15(d), not S-K Item 405]

Note 3 - Summary of Significant Accounting Policies - Summary of Antidilutive Securities (Details)

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Note 3 - Summary of Significant Accounting Policies - Summary of Antidilutive Securities (Details) - shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Antidilutive Securities (in shares) 65,184 26,153
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities (in shares) 1,500 1,500
Restricted Stock [Member]    
Antidilutive Securities (in shares) 63,684 24,653