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Note 4 - Net (Loss) Income Per Common Share (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Year Ended December 31,

 

(in thousands, except share and per share amounts)

 

2022

  

2021

  

2020

 
             

Net (loss) income

 $(103,462) $33,372  $50,867 
             

Basic - weighted-average shares outstanding:

  27,409,838   27,617,627   26,737,425 

Effect of dilutive securities:

            

Employee stock options and other

  -   35,472   158,932 

Diluted - weighted-average shares outstanding:

  27,409,838   27,653,099   26,896,357 

Net (loss) income per share attributable to common shareholders:

            

Basic

 $(3.77) $1.21  $1.90 

Diluted

 $(3.77) $1.21  $1.89