v3.22.4
Note 3 - Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

2022

  

2021

 
         

Weighted-average common shares issued

  7,551,769   7,325,449 
         

Average treasury stock shares

  (1,524,678)  (1,138,783)
         

Weighted-average common shares and common stock equivalents used to calculate basic earnings per share

  6,027,091   6,186,666 
         

Additional common stock equivalents (stock options and restricted stock) used to calculate diluted earnings per share

  17,291   24,410 
         

Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share

  6,044,382   6,211,076