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Note H - Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2020
   
2019
 
   
(in thousands, except per share data)
 
                 
Net (loss)/income
  $
(1,304
)   $
8,301
 
                 
Basic weighted average common shares outstanding
   
5,746
     
5,921
 
Dilutive effect of common stock equivalents
   
-
     
64
 
Diluted weighted average common shares outstanding
   
5,746
     
5,985
 
                 
Basic (loss)/earnings per share
  $
(0.23
)   $
1.40
 
Diluted (loss)/earnings per share
  $
(0.23
)   $
1.39