Annual report pursuant to Section 13 and 15(d)

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

v3.23.2
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
 12 Months Ended
Mar. 15, 2023
Apr. 02, 2023
Apr. 03, 2022
Aug. 31, 2020
Statement [Line Items]        
Accounts Receivable, after Allowance for Credit Loss, Current   $ 22,800,000 $ 23,200,000  
Accounts Receivable, Allowance for Credit Loss, Current   1,500,000 945,000  
Cost of Goods and Services Sold   55,225,000 64,052,000  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions   73,000 59,000  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense   45,000 50,000  
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority   (442,000)   $ (442,000)
Income Tax Examination, Discrete Income Tax Benefit, Net of Federal Income Tax   81,000    
Income Tax Examination, Increase (Decrease) in Interest Expense   (86,000)    
Income Tax Examination, Refund Claim, Disallowed $ 81,000 81,000    
Advertising Expense   422,000 408,000  
Royalty [Member]        
Statement [Line Items]        
Cost of Goods and Services Sold   5,200,000 $ 6,000,000.0  
Minimum [Member]        
Statement [Line Items]        
Property, Plant and Equipment, Useful Life (Year)     3 years  
Finite-Lived Intangible Asset, Useful Life (Year)     5 years  
Maximum [Member]        
Statement [Line Items]        
Property, Plant and Equipment, Useful Life (Year)     8 years  
Finite-Lived Intangible Asset, Useful Life (Year)     20 years  
Receivable Due from Factor [Member]        
Statement [Line Items]        
Accounts Receivable, after Allowance for Credit Loss, Current   $ 20,700,000 $ 21,100,000  
Negative Balance Outstanding Under Revolving Line of Credit [Member]        
Statement [Line Items]        
Accounts Receivable, after Allowance for Credit Loss, Current     1,500,000  
Receivable from Factor, and Negative Balance on Revolving Line of Credit [Member]        
Statement [Line Items]        
Accounts Receivable, after Allowance for Credit Loss, Current     $ 22,600,000