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Note 16 - Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(Net income in thousands)
  
Year ended December 31,
 
   
2020
    
2019
    
2018
  
Basic (loss) earnings per share:
  
 
 
 
  
 
 
 
  
 
 
 
Net (loss) income attributable to Common shareholders
   $
(3,819
)
   $
(2,817
)
   $
3,196
  
Divided by:
  
 
 
 
  
 
 
 
  
 
 
 
Weighted average shares outstanding
    
3,934,886
 
    
3,921,783
 
    
3,904,052
  
                         
Basic (loss) earnings per common share
   $
(0.97
)
   $
(0.72
)
   $
0.82
  
                         
Diluted (loss) earnings per share:
  
 
 
 
  
 
 
 
  
 
 
 
Net (loss) income attributable to Common shareholders
    
(3,819
)
    
(2,817
)
    
3,196
  
                         
Weighted average shares outstanding
    
3,934,886
 
    
3,921,783
 
    
3,904,052
  
                         
Effect of potentially dilutive restricted common shares
    
-
  
(1)
    
-
  
(2)
    
11,573
  
                         
Divided by:
  
 
 
 
  
 
 
 
  
 
 
 
Weighted average diluted shares outstanding
    
3,934,886
 
    
3,921,783
 
    
3,915,625
  
                         
Diluted (loss) earnings per common share
   $
(0.97
)
   $
(0.72
)
   $
0.82