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Note 12 - Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three months ended
 
(Dollars in thousands, except per share data)
 
March 31,
2019
   
March 31,
2018
 
Weighted average number of common shares outstanding used in basic earnings per common share calculation
   
4,598,234
     
4,236,861
 
Net dilutive effect of:
               
Restricted stock awards, options, and warrants
   
28,503
     
665,389
 
Weighted average number of shares outstanding adjusted for effect of dilutive securities
   
4,626,737
     
4,902,250
 
Income available to common shareholders
  $
1,620
     
1,445
 
Basic earnings per common share
  $
0.35
     
0.34
 
Diluted earnings per common share
  $
0.35
     
0.29