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Note 9 - Earnings Per Share
 9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
NOTE
9
—
EARNINGS PER SHARE
 
The following is the computation of basic and diluted EPS for the
three
and
nine
months ended
September 30, 2018
and
2017.
EPS is reported under the treasury stock method.
 
   
Three months ended September 30,
    
Nine months ended September 30,
  
   
2018
    
2017
    
2018
    
2017
  
Numerator
                                
Net income (loss)
   $
6,211,328
     $
(6,235,543
 )   $
21,681,041
     $
(12,816,658
 )
Denominator
                                
Weighted average shares used to compute basic EPS
    
40,082,467
      
39,509,311
      
40,024,069
      
36,912,362
  
Dilutive effect of share-based awards
(a)
    
246,842
      
-
      
247,090
      
-
  
Weighted average shares used to compute diluted EPS
    
40,329,309
      
39,509,311
      
40,271,159
      
36,912,362
  
                                 
Earnings per share
                                
Basic
   $
0.15
     $
(0.16
 )   $
0.54
     $
(0.35
 )
Diluted
   $
0.15
     $
(0.16
 )   $
0.54
     $
(0.35
 )
 
(a) The
2017
periods exclude the shares issuable under outstanding option awards as their effect would have been antidilutive.