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Note 7 - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(Net income in thousands)
 
Three Months Ended March 31,
 
   
2018
   
2017
 
Basic earnings per share:
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
  $
1,065
     
1,730
 
                 
Divided by:
 
 
 
 
 
 
 
 
Weighted average shares outstanding
   
3,900,513
     
3,892,726
 
                 
Basic earnings per common share
  $
0.27
     
0.44
 
                 
                 
Diluted earnings per share:
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
  $
1,065
     
1,730
 
                 
Weighted average shares outstanding
   
3,900,513
     
3,892,726
 
                 
Effect of potentially dilutive restricted common shares
   
16,601
     
3,368
 
                 
Divided by:
 
 
 
 
 
 
 
 
Weighted average diluted shares outstanding
   
3,917,114
     
3,896,094
 
                 
Diluted earnings per common share
  $
0.27
     
0.44