Note 11 - Stock-based Compensation (Details Textual) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 29, 2025	Jun. 30, 2024
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, Forfeitures and Expirations in Period (in shares)				0	6
Share-Based Payment Arrangement, Expense	$ 843	$ 759		$ 1,779	$ 2,225
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)				0	0
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense			$ 0		$ 0
RSUs and PRSUs [Member]
Share-Based Payment Arrangement, Expense	800	900		$ 1,700	2,300
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	1,900	2,400		$ 1,900	2,400
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				11 months 15 days
Employee Stock Purchase Plan [Member]
Employee Stock Ownership Plan (ESOP), Compensation Expense	20	12		$ 60	40
Capitalized Internal-use Software and Tooling, Net [Member]
Share-Based Payment Arrangement, Amount Capitalized	$ 9	$ 21		$ 28	$ 30

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The amount of plan compensation cost recognized during the period.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Gross number of share options (or share units) granted during the period.

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