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Note 18 - Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
For the Year Ended December 31,
  
   
2019
    
2018
  
Loss from continuing operations
    
(5,808,005
 )    
(3,457,146
 )
Loss from discontinued operations
    
(3,213,536
 )    
(263,578
 )
                 
Basic loss per common share
                
Continuing operations
    
(1.51
 )    
(0.93
 )
Discontinued operations
    
(0.84
 )    
(0.07
 )
Basic loss per common share
   $
(2.10
 )   $
(1.00
 )
                 
Diluted loss per common share
                
Continuing operations
   $
(1.27
 )   $
(0.93
 )
Discontinued operations
    
(0.84
 )    
(0.07
 )
Diluted loss per common share
   $
(2.10
 )   $
(1.00
 )
                 
Weighted average number of shares and equivalent shares of common stock outstanding:
                
Basic
    
3,835,950
      
3,578,885
  
                 
Diluted
    
3,835,950
      
3,578,885