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Note 9 - Loss Per Share
 3 Months Ended
Mar. 31, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
9.
Loss Per Share
 
Basic and diluted loss per common share is computed as follows:
 
   
For the three months
ended March 31,
  
    2016     2017  
             
Net loss attributable to common shareholders    
(3,262,027
 )    
(2,627,562
 )
Weighted average common shares – Outstanding    
8,104,860
      
10,999,554
  
Basic and diluted  loss per share    
(0.40
 )    
(0.24
 )
 
The Company excluded the effect of
90,900
and
116,280
non-vested stock awards as of
March 31, 2016
and
2017,
respectively, as they were anti-dilutive.