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Note 11 - Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
   
March 31, 2020
   
March 31, 2019
 
(Numerator):
               
Net income
  $
1,705
    $
2,261
 
(Denominator):
               
Weighted average shares outstanding – basic
   
4,950,887
     
4,960,264
 
Potentially dilutive common shares – restricted stock units
   
5,083
     
3,870
 
Weighted average shares outstanding – diluted
   
4,955,970
     
4,964,134
 
Income per common share
               
Basic
  $
0.34
    $
0.46
 
Diluted
  $
0.34
    $
0.46