Annual report pursuant to Section 13 and 15(d)

Note 6 - Financing Arrangements (Details Textual)

v3.23.2
Note 6 - Financing Arrangements (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
May 20, 2021
Apr. 19, 2020
Jun. 27, 2021
Apr. 02, 2023
Apr. 03, 2022
Apr. 20, 2021
Statement [Line Items]            
Selling, General and Administrative Expense       $ 12,655,000 $ 13,002,000  
Long-Term Line of Credit       12,700,000 0  
Letters of Credit Outstanding, Amount       0 0  
Line of Credit Facility, Remaining Borrowing Capacity       20,000,000.0 26,000,000.0  
Gain (Loss) on Extinguishment of Debt, Total       0 1,985,000  
Paycheck Protection Program CARES Act [Member]            
Statement [Line Items]            
Proceeds from (Repayments of) Notes Payable, Total   $ 1,963,800        
Debt Instrument, Decrease, Forgiveness $ 1,963,800          
Interest Payable           $ 21,000
Gain (Loss) on Extinguishment of Debt, Total     $ 1,985,000      
Revolving Credit Facility [Member]            
Statement [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity       $ 35,000,000.0    
Revolving Credit Facility [Member] | Prime Rate [Member]            
Statement [Line Items]            
Debt Instrument Basis Spread Below Variable Rate       0.50%    
Debt Instrument, Interest Received on Daily Negative Balances, Basis Spread Below Variable Rate       2.00%    
Debt Instrument, Interest Received on Daily Negative Balances, Effective Percentage       6.00%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]            
Statement [Line Items]            
Debt Instrument, Basis Spread on Variable Rate       1.60%    
Debt Instrument, Interest Rate, Effective Percentage       6.40%    
Letter of Credit [Member]            
Statement [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity       $ 1,500,000    
Factoring Agreements [Member]            
Statement [Line Items]            
Selling, General and Administrative Expense       287,000 344,000  
Long-Term Debt       $ 0 $ 0