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Note J - Long-term Debt (Details Textual)
$ in Thousands
9 Months Ended
Apr. 17, 2020
USD ($)
Mar. 26, 2021
USD ($)
Dec. 31, 2021
Jun. 30, 2020
USD ($)
Jun. 29, 2018
USD ($)
Long-term Debt, Current Maturities, Total   $ 2,000   $ 4,691  
Principal Paid on Sale Leaseback Liabilities   68      
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Bank of Montreal [Member]          
Derivative, Notional Amount   $ 16,500     $ 20,000
Minimum [Member]          
Sale Leaseback Transactions, Term (Year)   3 years      
Sale Leaseback Transactions, Implied Interest Rate   7.00%      
Maximum [Member]          
Sale Leaseback Transactions, Term (Year)   5 years      
Sale Leaseback Transactions, Implied Interest Rate   25.00%      
Paycheck Protection Program CARES Act [Member] | Promissory Note [Member]          
Proceeds from Issuance of Long-term Debt, Total $ 8,200        
BMO [Member] | The 2018 Credit Agreement [Member]          
Long-term Debt, Current Maturities, Total   $ 2,000      
BMO [Member] | The 2018 Credit Agreement [Member] | Revolving Credit Facility [Member]          
Debt Instrument, Interest Rate During Period   4.25%      
Line of Credit Facility, Current Borrowing Capacity   $ 42,226      
Line of Credit Facility, Remaining Borrowing Capacity   $ 26,891      
BMO [Member] | The 2018 Credit Agreement [Member] | Term Loan [Member]          
Debt Instrument, Interest Rate During Period   4.02%      
BMO [Member] | The 2018 Credit Agreement [Member] | Forecast [Member]          
Total Funded Debt To EBITDA Allowable Ratio     3.00