Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Financing Arrangements (Details Textual)

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Note 7 - Financing Arrangements (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended
Jan. 01, 2023
Jul. 03, 2022
May 20, 2021
Apr. 19, 2020
Jan. 01, 2023
Dec. 26, 2021
Jun. 27, 2021
Jan. 01, 2023
Dec. 26, 2021
Apr. 03, 2022
Apr. 20, 2021
Selling, General and Administrative Expense, Total         $ 2,742,000 $ 3,094,000   $ 8,891,000 $ 9,624,000    
Long-term Line of Credit, Total $ 0       0     0      
Letters of Credit Outstanding, Amount                   $ 0  
Line of Credit Facility, Remaining Borrowing Capacity 26,000,000.0       26,000,000.0     26,000,000.0      
Accounts Receivable, after Allowance for Credit Loss, Current, Total 18,900,000       18,900,000     18,900,000   23,200,000  
Accounts Receivable, Allowance for Credit Loss, Current 1,500,000       1,500,000     1,500,000   945,000  
Gain (Loss) on Extinguishment of Debt, Total         0 0   0 1,985,000    
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        
Receivable Due from Factor [Member]                      
Accounts Receivable, after Allowance for Credit Loss, Current, Total                   21,100,000  
Accounts Receivable, Allowance for Credit Loss, Current 17,200,000       17,200,000     17,200,000      
Negative Balance Outstanding Under Revolving Line of Credit [Member]                      
Accounts Receivable, after Allowance for Credit Loss, Current, Total                   1,500,000  
Accounts Receivable, Allowance for Credit Loss, Current 1,700,000       1,700,000     1,700,000      
Receivable from Factor, and Negative Balance on Revolving Line of Credit [Member]                      
Accounts Receivable, after Allowance for Credit Loss, Current, Total                   $ 22,600,000  
Accounts Receivable, Allowance for Credit Loss, Current 18,900,000       18,900,000     18,900,000      
Revolving Credit Facility [Member]                      
Line of Credit Facility, Maximum Borrowing Capacity $ 26,000,000.0       26,000,000.0     26,000,000.0      
Revolving Credit Facility [Member] | Prime Rate [Member]                      
Debt Instrument Basis Spread Below Variable Rate   1.00%                  
Debt Instrument, Basis Spread on Variable Rate 5.50% 2.00%                  
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [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     1,500,000      
Factoring Fees [Member]                      
Selling, General and Administrative Expense, Total         $ 77,000 $ 99,000   $ 224,000 $ 248,000