Annual report pursuant to Section 13 and 15(d)

Note 5 - Financing Arrangements (Details Textual)

v3.22.1
Note 5 - Financing Arrangements (Details Textual) - USD ($)
12 Months Ended
Jun. 02, 2022
Apr. 03, 2022
May 31, 2021
May 20, 2021
Apr. 19, 2020
Apr. 03, 2022
Mar. 28, 2021
Selling, General and Administrative Expense, Total           $ 13,002,000 $ 14,218,000
Long-term Line of Credit, Total   $ 0       0 0
Letters of Credit Outstanding, Amount   0       0 0
Line of Credit Facility, Remaining Borrowing Capacity   26,000,000.0       26,000,000.0 26,000,000.0
Proceeds from (Repayments of) Notes Payable, Total           0 1,964,000
Gain (Loss) on Extinguishment of Debt, Total           1,985,000 0
Paycheck Protection Program CARES Act [Member]              
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]              
Line of Credit Facility, Maximum Borrowing Capacity   $ 26,000,000.0       $ 26,000,000.0  
Revolving Credit Facility [Member] | Prime Rate [Member]              
Debt Instrument Basis Spread Below Variable Rate     1.00%     0.50%  
Debt Instrument, Basis Spread on Variable Rate   2.00%          
Debt Instrument, Interest Rate, Effective Percentage   1.50%       1.50%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]              
Debt Instrument, Basis Spread on Variable Rate     1.50%     1.75%  
Debt Instrument, Interest Rate, Effective Percentage   1.95%       1.95%  
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Subsequent Event [Member]              
Debt Instrument, Basis Spread on Variable Rate 1.60%            
Letter of Credit [Member]              
Line of Credit Facility, Maximum Borrowing Capacity   $ 1,500,000       $ 1,500,000  
Factoring Agreements [Member]              
Selling, General and Administrative Expense, Total           344,000 291,000
Long-Term Debt, Total   $ 0       $ 0 $ 0