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Note I - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Three Months Ended March 31,

 
  

2023

  

2022

 

Weighted average shares outstanding - basic

  5,352,937   5,323,973 

Effect of diluted securities

      

Weighted average shares outstanding - diluted

  5,352,937   5,323,973