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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. 31, 2023
Jan. 01, 2023
Jan. 02, 2022
Revenue $ 21,198 $ 16,180 $ 12,685
New Products [Member]      
Revenue 18,211 11,675 7,761
Hardware Products [Member]      
Revenue 1,230 3,757 4,903
Mature Products [Member]      
Revenue 2,987 4,505 4,924
eFPGA IP [Member]      
Revenue 16,839 7,545 2,674
SaaS and Other [Member]      
Revenue $ 142 $ 373 $ 184