v3.25.4
Note 1 - Basis of Presentation and Significant Accounting Policies (Details Textual)
12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Production Equipment and Software [Member] | Minimum [Member]    
Property, Plant and Equipment, Useful Life (Year) 3 years  
Production Equipment and Software [Member] | Maximum [Member]    
Property, Plant and Equipment, Useful Life (Year) 7 years  
Tools, Dies and Molds [Member] | Minimum [Member]    
Property, Plant and Equipment, Useful Life (Year) 1 year  
Tools, Dies and Molds [Member] | Maximum [Member]    
Property, Plant and Equipment, Useful Life (Year) 5 years  
Masks [Member]    
Property, Plant and Equipment, Useful Life (Year) 3 years  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Distributor A [Member]    
Concentration Risk, Percentage 28.00% 36.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Distributor B [Member]    
Concentration Risk, Percentage 62.00% 45.00%