Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details)

v3.22.2.2
Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2021
Granted, shares (in shares) 0      
Share-Based Payment Arrangement, Option [Member]        
Outstanding, shares (in shares) 353,250 640,950   640,950
Outstanding, weighted average exercise price (in dollars per share) $ 19.28 $ 18.14   $ 18.14
Outstanding, weighted average remaining contractual term (Year) 3 years 4 months 24 days 4 years 1 month 6 days 4 years 7 months 6 days 3 years 9 months 18 days
Outstanding, aggregate intrinsic value $ 18,431 $ 22,438 $ 16,981 $ 23,525
Exercised, shares (in shares) (65,500) (257,200)    
Exercised, weighted average exercise price (in dollars per share) $ 16.42 $ 12.46    
Exercised, weighted average remaining contractual term (Year) 2 years 3 months 18 days 3 years 2 months 12 days    
Exercised, aggregate intrinsic value $ 4,164 $ 16,805    
Forfeited, shares (in shares) (1,500) (9,000)    
Forfeited, weighted average exercise price (in dollars per share) $ 35.21 $ 16.57    
Forfeited, weighted average remaining contractual term (Year) 5 years 9 months 18 days 2 years 1 month 6 days    
Forfeited, aggregate intrinsic value $ 67 $ 256    
Outstanding, shares (in shares) 286,250 375,250   353,250
Outstanding, weighted average exercise price (in dollars per share) $ 19.51 $ 19.56   $ 19.28
Exercisable, shares (in shares) 225,500 281,000    
Exercisable, weighted average exercise price (in dollars per share) $ 14.89 $ 12.79    
Exercisable, weighted average remaining contractual term (Year) 2 years 3 months 18 days 3 years    
Exercisable, aggregate intrinsic value $ 14,990 $ 18,565    
Granted, shares (in shares)   500    
Granted, weighted average exercise price (in dollars per share)   $ 32.60    
Granted, weighted average remaining contractual term (Year)   7 years 8 months 12 days    
Granted, aggregate intrinsic value   $ 23