v3.26.1
Note 6 - Loss per Common Share - Antidilutive Securities (Details) - shares
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Performance Stock Units (PSUs) and Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 228,779 377,812
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 26,956 35,975