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Note L - Contingencies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Jul. 03, 2025
Apr. 30, 2025
Jun. 30, 2025
Jun. 30, 2023
Legal Fees     $ 150  
Employee Retention Tax Credit ("ERTC") Refund [Member] | Refundable Tax Credits Claim, ERTC [Member]        
Income Taxes Receivable       $ 3,500
Deferred Tax Assets, Valuation Allowance     $ 0  
Employee Retention Tax Credit ("ERTC") Refund [Member] | Refundable Tax Credits Claim, ERTC [Member] | Tax Year 2021 [Member]        
Proceeds from Income Tax Refund, Federal   $ 2,900    
Maximum [Member]        
Litigation Settlement, Amount Awarded to Other Party $ 1,250