Annual report [Section 13 and 15(d), not S-K Item 405]

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.25.2
Note 2 - Summary of Significant Accounting Policies (Details Textual)
 12 Months Ended
Mar. 30, 2025
USD ($)
Mar. 31, 2024
USD ($)
Apr. 03, 2023
USD ($)
Accounts Receivable, after Allowance for Credit Loss, Current $ 24,500,000 $ 22,400,000  
Accounts Receivable, Allowance for Credit Loss, Current $ 1,700,000 1,500,000  
Number of Reporting Units 2    
Goodwill $ 0 7,926,000 $ 7,926,000
Cost of Product and Service Sold 65,985,000 64,632,000  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 22,000 43,000  
Income Tax Examination, Discrete Income Tax Benefit, Net of Federal Income Tax 81,000 28,000  
Advertising Expense 914,000 572,000  
Royalty [Member]      
Cost of Product and Service Sold $ 6,700,000 5,300,000  
Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Finite-Lived Intangible Asset, Useful Life (Year) 5 years    
Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 8 years    
Finite-Lived Intangible Asset, Useful Life (Year) 20 years    
Receivable Due from Factor [Member]      
Accounts Receivable, after Allowance for Credit Loss, Current $ 21,900,000 $ 18,600,000