Note 14 - Information Concerning Product Lines, Geographic Information and Revenue Concentration - Schedule of Revenue by Product Line (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Revenue	$ 20,112	$ 21,198	$ 16,180
New Products [Member]
Revenue	16,128	18,211	11,675
Hardware Products [Member]
Revenue	2,547	1,230	3,757
Mature Products [Member]
Revenue	3,984	2,987	4,505
eFPGA IP [Member]
Revenue	13,120	16,839	7,545
SaaS and Other [Member]
Revenue	$ 461	$ 142	$ 373

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details