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Note 10 - Stock-based Compensation - Schedule of Allocation of Recognized Period Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Total costs and expenses	$ 1,148	$ 616	$ 3,513	$ 1,917
Cost of Sales [Member]
Total costs and expenses	180	73	505	239
Research and Development Expense [Member]
Total costs and expenses	323	171	877	513
Selling, General and Administrative Expenses [Member]
Total costs and expenses	$ 645	$ 372	$ 2,131	$ 1,165

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:
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X

- Details

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X

- Details

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