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Note 10 - Earnings (Loss) Per Share (Tables)
 6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(Net loss in thousands)
  
Three Months Ended June 30,
   
Six Months Ended June 30,
 
   
2020
    
2019
    
2020
    
2019
  
Basis loss per share:
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Net loss attributable to Common shareholders
   $
(1,278
)
   $
(1,655
)
   $
(2,350
)
   $
(1,332
)
Divided by:
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Weighted average shares outstanding
    
3,935,109
 
    
3,921,878
 
    
3,933,249
 
    
3,919,608
 
                                 
Basic loss per common share
   $
(0.32
)
   $
(0.42
)
   $
(0.60
)
   $
(0.34
)
                                 
Diluted loss per share:
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Net loss attributable to Common shareholders
   $
(1,278
)
   $
(1,655
)
   $
(2,350
)
   $
(1,332
)
                                 
Weighted average shares outstanding
    
3,935,109
 
    
3,921,878
 
    
3,933,249
 
    
3,919,608
 
                                 
Effect of potentially dilutive restricted common shares
    
-
  
(1)
    
-
  
(2)
    
-
  
(3)
    
-
  
(4)
                                 
Divided by:
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Weighted average diluted shares outstanding
    
3,935,109
 
    
3,921,878
 
    
3,933,249
 
    
3,919,608
 
                                 
Diluted loss per common share
   $
(0.32
)
   $
(0.42
)
   $
(0.60
)
   $
(0.34
)