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Note C - Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September
30,
2019
   
December 31,
2018
 
   
(Unaudited)
   
(Audited)
 
                 
Work-in-process
  $
5,874
    $
4,993
 
Finished goods
   
2,794
     
4,826
 
                 
    $
8,668
    $
9,819