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Note B - Inventories (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September
30,
2018
   
December 31,
2017
 
   
(Unaudited)
   
(Audited)
 
                 
Work-in-process
  $
5,419
    $
3,577
 
Finished goods
   
2,827
     
5,845
 
                 
    $
8,247
    $
9,422