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Note 9 - Stock-based Compensation (Tables)
9 Months Ended
Sep. 28, 2024
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 28,

  

September 30,

  

September 28,

  

September 30,

 

(In thousands)

 

2024

  

2023

  

2024

  

2023

 

Cost of revenue

 $(62) $1,035  $1,593  $3,402 

Research and development

  7,995   7,020   21,958   20,006 

Selling, general, and administrative

  8,665   8,609   14,760   29,000 

Total stock-based compensation

 $16,598  $16,664  $38,311  $52,408 
Share-Based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block]

(Shares in thousands)

 

Total

 

Balance, December 30, 2023

  852 

Granted

  1,641 

Effect of vesting multiplier

  284 

Vested

  (541)

Canceled

  (391)

Balance, September 28, 2024

  1,845