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Note 8 - Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(Net income in thousands)
 
Three Months Ended June 30,
   
Six Months Ended June 30,
 
   
2018
   
2017
   
2018
   
2017
 
Basic earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
  $
1,036
     
804
     
2,101
     
2,534
 
                                 
Divided by:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average shares outstanding
   
3,903,858
     
3,894,128
     
3,902,195
     
3,893,431
 
                                 
Basic earnings per common share
  $
0.27
     
0.21
     
0.54
     
0.65
 
                                 
                                 
Diluted earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
  $
1,036
     
804
     
2,101
     
2,534
 
                                 
Weighted average shares outstanding
   
3,903,858
     
3,894,128
     
3,902,195
     
3,893,431
 
                                 
Effect of potentially dilutive restricted common shares
   
13,603
     
7,400
     
17,943
     
5,289
 
                                 
Divided by:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average diluted shares outstanding
   
3,917,461
     
3,901,528
     
3,920,138
     
3,898,720
 
                                 
Diluted earnings per common share
  $
0.26
     
0.21
     
0.54
     
0.65