v3.25.1
Note K - Long-term Debt (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 14, 2025
USD ($)
Apr. 01, 2024
USD ($)
Mar. 28, 2025
USD ($)
Mar. 28, 2025
USD ($)
Sep. 01, 2026
USD ($)
Mar. 31, 2026
Feb. 28, 2026
Sep. 01, 2025
USD ($)
Jul. 01, 2025
USD ($)
Jan. 01, 2025
Dec. 27, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 29, 2018
USD ($)
Long-Term Debt, Current Maturities     $ 3,000 $ 3,000               $ 2,000  
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Bank of Montreal [Member]                          
Derivative, Notional Amount     8,500 8,500                 $ 20,000
Katsa Oy [Member]                          
Business Acquisition, Transaction Costs     $ 600 $ 600             $ 600    
Kobelt Manufacturing Co. [Member]                          
Business Acquisition, Transaction Costs $ 600                        
BMO [Member] | Term Loan [Member]                          
Debt Instrument, Periodic Payment, Total 750                        
Debt Instrument, Covenant, Maximum Cash Dividends 5,000                        
Debt Instrument, Face Amount 15,000                        
BMO [Member] | The 2018 Credit Agreement [Member]                          
Debt Instrument, Percentage of Equity Interest in Domestic Subsidiaries Pledged     100.00% 100.00%                  
Debt Instrument, Percentage of Equity Interest in Foreign Subsidiaries Pledged     65.00% 65.00%                  
Debt Instrument, Debt Default, Percentage of Letter of Credit Obligations Required to Cash Collateralize     105.00% 105.00%                  
Long-Term Debt, Current Maturities     $ 3,000 $ 3,000                  
BMO [Member] | The 2018 Credit Agreement [Member] | Term Loan [Member]                          
Debt Agreement, Maximum Borrowing Capacity     $ 20,000 20,000                  
Debt Instrument, Periodic Payment, Total       500                  
Debt Instrument, Interest Rate During Period     6.95%                    
BMO [Member] | The 2018 Credit Agreement [Member] | Revolving Credit Facility [Member]                          
Debt Agreement, Maximum Borrowing Capacity                         35,000
Line of Credit Facility, Maximum Borrowing Capacity                         $ 50,000
Debt Instrument, Interest Rate During Period     5.74%                    
Line of Credit Facility, Current Borrowing Capacity     $ 47,322 47,322                  
Line of Credit Facility, Remaining Borrowing Capacity     21,571 21,571                  
BMO [Member] | The 2018 Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Debt Instrument, Covenant, Maximum Cash Dividends   $ 5,000                      
BMO [Member] | The Tenth Amendment [Member]                          
Debt Instrument, Covenant, Maximum Cash Dividends   $ 5,000                      
BMO [Member] | The Tenth Amendment [Member] | Term Loan [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   3.625%                      
BMO [Member] | The Tenth Amendment [Member] | Term Loan [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   2.125%                      
BMO [Member] | The Tenth Amendment [Member] | Unused Revolving Credit Commitment [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   3.00%                      
BMO [Member] | The Tenth Amendment [Member] | Unused Revolving Credit Commitment [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   15.00%                      
BMO [Member] | The Tenth Amendment [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity   $ 45,000                      
Debt Instrument, Borrowing Base, Percentage of Receivables   85.00%                      
Debt Instrument, Borrowing Base Two   $ 35,000                      
Debt Instrument, Borrowing Base, Percentage of Receivables Two   60.00%               55.00%      
BMO [Member] | The Tenth Amendment [Member] | Revolving Credit Facility [Member] | Forecast [Member]                          
Debt Instrument, Borrowing Base Two                 $ 32,500        
Debt Instrument, Borrowing Base, Percentage of Receivables Two                 50.00%        
BMO [Member] | The Tenth Amendment [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   3.50%                      
BMO [Member] | The Tenth Amendment [Member] | Revolving Credit Facility [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   2.00%                      
Debt Instrument, Borrowing Base, Percentage of Receivables   50.00%                      
Debt Instrument, Borrowing Base   $ 30,000                      
BMO [Member] | The Ninth Amendment [Member]                          
Debt Instrument, Covenant, Maximum Cash Dividends   $ 3,000                      
BMO [Member] | The Ninth Amendment [Member] | Term Loan [Member]                          
Debt Instrument, Covenant, Minimum Tangible Net Worth Plus Half of Net Income     $ 100,000 $ 100,000                  
BMO [Member] | The Ninth Amendment [Member] | Term Loan [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   2.875%   3.625%                  
BMO [Member] | The Ninth Amendment [Member] | Term Loan [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   1.375%   2.125%                  
BMO [Member] | The Ninth Amendment [Member] | Unused Revolving Credit Commitment [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   15.00%   0.30%                  
BMO [Member] | The Ninth Amendment [Member] | Unused Revolving Credit Commitment [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   10.00%   0.15%                  
BMO [Member] | The Ninth Amendment [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity   $ 40,000                      
BMO [Member] | The Ninth Amendment [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   2.75%   3.50%                  
Fixed Charge Coverage Ratio     1.1 1.1                  
BMO [Member] | The Ninth Amendment [Member] | Revolving Credit Facility [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate   1.25%   2.00%                  
Total Funded Debt To EBITDA Allowable Ratio     3.5 3.5                  
BMO [Member] | Credit Agreement [Member] | Term Loan [Member]                          
Long-Term Debt, Gross 8,500                        
BMO [Member] | Additional Advances [Member] | Term Loan [Member]                          
Debt Instrument, Face Amount $ 6,500                        
BMO [Member] | Revolving Credit Commitment [Member]                          
Debt Instrument, Percentage of Equity Interest in Foreign Subsidiaries Pledged 65.00%                        
BMO [Member] | Revolving Credit Commitment [Member] | Term Loan [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate 3.625%                        
BMO [Member] | Revolving Credit Commitment [Member] | Term Loan [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate 2.125%                        
BMO [Member] | Revolving Credit Commitment [Member] | Unused Revolving Credit Commitment [Member] | Maximum [Member]                          
Debt Instrument, Basis Spread on Variable Rate 0.30%                        
BMO [Member] | Revolving Credit Commitment [Member] | Unused Revolving Credit Commitment [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate 0.15%                        
BMO [Member] | Revolving Credit Commitment [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity $ 50,000                        
Debt Instrument, Covenant, Maximum Cash Dividends $ 5,000                        
Debt Instrument, Borrowing Base, Percentage of Receivables 85.00%                        
Debt Instrument, Borrowing Base $ 40,000                        
BMO [Member] | Revolving Credit Commitment [Member] | Revolving Credit Facility [Member] | Forecast [Member]                          
Debt Instrument, Borrowing Base, Percentage of Receivables         60.00% 50.00% 55.00%            
Debt Instrument, Borrowing Base         $ 32,500     $ 35,000          
BMO [Member] | Revolving Credit Commitment [Member] | Revolving Credit Facility [Member] | Maximum [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity $ 25,000                        
Debt Instrument, Basis Spread on Variable Rate 3.50%                        
BMO [Member] | Revolving Credit Commitment [Member] | Revolving Credit Facility [Member] | Minimum [Member]                          
Debt Instrument, Basis Spread on Variable Rate 2.00%