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Note C - Inventories
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Inventory Disclosure [Text Block]
NOTE C
— INVENTORIES
   
December 31
 
   
2016
   
2015
 
Inventories consist of the following:
               
Finished goods
  $
4,573,667
    $
4,252,612
 
Component parts and other materials
   
29,052
     
5,482
 
Total
  $
4,602,719
    $
4,258,094