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Note 11 - Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended September 30,
   
Nine Months Ended September 30,
 
(In thousands, except per share data)
 
2018
   
2017
   
2018
   
2017
 
Weighted average number of common shares outstanding used in basic earnings per share calculation
   
4,358
     
4,220
     
4,296
     
4,212
 
Net dilutive effect of:
                               
Restricted stock awards, options, and warrants
   
252
     
650
     
458
     
651
 
Weighted average number of shares outstanding adjusted for effect of dilutive securities
   
4,610
     
4,870
     
4,754
     
4,863
 
Income available to common shareholders
  $
2,712
     
1,780
     
5,884
     
4,017
 
Basic earnings per common share
  $
0.62
     
0.42
     
1.37
     
0.95
 
Diluted earnings per common share
  $
0.59
     
0.37
     
1.24
     
0.83