XML 33 R23.htm IDEA: XBRL DOCUMENT v3.25.3
Note 2 - Earnings Per Common Share (Details Textual) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   522,300   518,200
Share-Based Payment Arrangement, Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 672,071   632,398  
Unvested Performance Unit Awards [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 154,059 141,320 154,059 141,320