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Note 8 - Stock-based Compensation - Schedule of Stock Based Compensation Award Activity (Details) - shares
shares in Thousands
9 Months Ended
Oct. 01, 2023
Oct. 02, 2022
Balance (in shares) 75  
Options expired (in shares)   0
Balance (in shares) 73  
Stock Plan 2019 [Member]    
Balance (in shares) 960  
Options authorized (in shares) 0  
Restricted stock units (RSUs) granted (in shares) (393)  
RSUs forfeited or expired (in shares) 15  
Options expired (in shares) 2  
Balance (in shares) 584