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Note 13 - Shareholders' Equity (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(Net income in thousands)
 
Year ended December 31,
 
   
2018
   
2017
   
2016
 
Basic earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
  $
3,196
     
4,147
     
1,930
 
Divided by:
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average shares outstanding
   
3,904,052
     
3,894,222
     
3,953,281
 
                         
Basic earnings per common share
   
0.82
     
1.06
     
0.49
 
                         
Diluted earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to Common shareholders
   
3,196
     
4,147
     
1,930
 
                         
Weighted average shares outstanding
   
3,904,052
     
3,894,222
     
3,953,281
 
                         
Effect of potentially dilutive restricted common shares
   
11,573
     
2,963
     
-
 
                         
Divided by:
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average diluted shares outstanding
   
3,915,625
     
3,897,185
     
3,953,281
 
                         
Diluted earnings per common share
   
0.82
     
1.06
     
0.49