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Note 8 - Stock-based Compensation (Details Textual) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2023
Oct. 02, 2022
Oct. 01, 2023
Oct. 02, 2022
Share-Based Payment Arrangement, Amount Capitalized     $ 119,000 $ 0
Share-Based Payment Arrangement, Expense $ 616 $ 487 $ 1,917 $ 1,347
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)     0 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)     0 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period (in shares)       0
Share-Based Payment Arrangement, Option [Member]        
Share-Based Payment Arrangement, Expense     $ 0 $ 0
RSU and PRSU [Member]        
Share-Based Payment Arrangement, Expense 600 500 1,800 1,300
Restricted Stock Units (RSUs) [Member]        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 3,700 1,100 $ 3,700 1,100
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     1 year 6 months 7 days  
Employee Stock Purchase Plan [Member]        
Employee Stock Ownership Plan (ESOP), Compensation Expense $ 25 $ 20 $ 100 $ 54