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Note A - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal $ 3,905 $ (0) $ 3,905 $ (0)  
Mexico Facility [Member] | Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member]          
Disposal Group, Including Discontinued Operation, Consideration 6,600   6,600    
Proceeds from Sale of Productive Assets 5,900        
Escrow Deposit 700   $ 700    
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal $ 3,900        
Previously Reported [Member]          
Common Stock, Par or Stated Value Per Share (in dollars per share)         $ 1