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Note 7 - Share-based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2023

  

2022

  

2023

  

2022

 
                 

Cost of sales

 $275  $474  $816  $822 

Selling, general, and administrative expense

  471   695   2,234   1,655 

Total

 $746  $1,169  $3,050  $2,477 
Schedule of Unvested Restricted Stock Units and Performance Share Awards Activity [Table Text Block]
  

Number of RSUs and PSAs (1)

  

Weighted-Average Grant Date Fair Value

 
         

Unvested RSUs and PSAs as of December 31, 2022

  200,924  $30.80 

RSUs and PSAs granted

  134,498   28.41 

Unvested RSUs and PSAs canceled

  (13,589

)

  30.82 

RSUs and PSAs vested (2)

  (95,442

)

  30.12 

Unvested RSUs and PSAs as of September 30, 2023

  226,391   29.66