XML 31 R33.htm IDEA: XBRL DOCUMENT v3.20.1
Note F - Inventory (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
201
9
   
201
8
 
 
 
 
 
 
 
 
 
 
Finished goods
   
287,761
     
496,358
 
Fabricated assemblies
   
141,358
     
502,471
 
Total inventory
  $
429,119
    $
998,829