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Note 3 - Earnings Per Common Share (EPS) (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Three Months Ended

 
  

Jun 30, 2021

  

Jun 30, 2020

 
         

Weighted average common shares outstanding

  1,977,959   1,976,354 

Dilutive effect of stock options and restricted stock units

      

Weighted average common and common equivalent shares outstanding

  1,977,959   1,976,354 
  

Six Months Ended

 
  

Jun 30, 2021

  

Jun 30, 2020

 
         

Weighted average common shares outstanding

  1,977,368   1,976,354 

Dilutive effect of stock options and restricted stock units

      

Weighted average common and common equivalent shares outstanding

  1,977,368   1,976,354