v3.26.1
Note 3 - Summary of Significant Accounting Policies - Summary of Antidilutive Securities (Details) - shares
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Antidilutive Securities (in shares) 65,184 79,909
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities (in shares) 1,500 1,500
Restricted Stock [Member]    
Antidilutive Securities (in shares) 63,684 78,409