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Note 14 - Shares Outstanding and Earnings Per Share
 12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
14.
    
Shares Outstanding and Earnings Per Share:
 
Earnings per share have been calculated based on the weighted average number of shares outstanding as set forth below:
 
   
For the years ended December 31,
 
(in thousands, except per share data)
  
2018
    
2017
    
2016
  
                         
Weighted average basic shares outstanding
    
11,432
      
11,381
      
11,210
  
Assumed exercise of stock options and issuance of stock awards
    
8
      
-
      
-
  
Weighted average diluted shares outstanding
    
11,440
      
11,381
      
11,210
  
                         
Net income (loss)
   $
33,759
     $
18,963
     $
(1,078
 )
                         
Basic earnings (loss) per share
   $
2.95
     $
1.67
     $
(0.10
 )
Diluted earnings (loss) per share
   $
2.95
     $
1.67
     $
(0.10
 )
                         
Unvested RSUs
    
91
      
65
      
167