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Note 10 - Information Concerning Product Lines, Geographic Information and Revenue Concentration - Schedule of Revenue by Product Line (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2023
Apr. 03, 2022
Revenue $ 4,133 $ 4,096
New Products [Member]    
Revenue 3,055 3,450
Hardware Products [Member]    
Revenue 162 1,835
Mature Products [Member]    
Revenue 1,078 646
eFPGA IP [Member]    
Revenue 2,810 1,581
SaaS and Other [Member]    
Revenue $ 83 $ 34