Note 10 - Information Concerning Product Lines, Geographic Information and Revenue Concentration - Customer and Distributor Concentration of Revenue (Details) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Distributor "A" [Member]
Concentration risk percentage	16.00%	11.00%
Distributor "C" [Member]
Concentration risk percentage		10.00%
Distributor "E" [Member]
Concentration risk percentage		30.00%
Customer "A" [Member]
Concentration risk percentage	54.00%
Customer "N" [Member]
Concentration risk percentage		17.00%
Customer "O" [Member]
Concentration risk percentage		27.00%
Customer P [Member]
Concentration risk percentage		23.00%