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Note 6 - Share-based Compensation (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended March 31,

 
  

2024

  

2023

 
         

Cost of sales

 $352  $275 

Selling, general, and administrative expense

  673   715 

Total

 $1,025  $990 
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, 2023

  226,391  $29.66 

RSUs and PSAs granted

  120,143   34.68 

RSUs vested

  (25,819)  30.35 

Unvested RSUs and PSAs as of March 31, 2024

  320,715   31.49