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Note 5 - Share-based Compensation (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended March 31,

 
   

2023

   

2022

 
                 

Cost of sales

  $ 275     $ 240  

Selling, general, and administrative expense

    715       395  

Total

  $ 990     $ 635  
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  

Unvested RSUs and PSAs canceled

    (2,475

)

    31.94  

RSUs and PSAs vested (2)

    (95,442

)

    30.12  

Unvested RSUs and PSAs as of March 31, 2023

    103,007       31.40