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Note G - Equipment and Leasehold Improvements (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
2017
   
2016
 
                 
Equipment
  $
567,473
    $
403,425
 
Furniture and fixtures
   
164,079
     
162,067
 
Software
   
32,045
     
32,045
 
Leasehold improvements
   
23,403
     
23,403
 
     
787,000
     
620,940
 
                 
Less accumulated depreciation and amortization
   
(605,835
)
   
(553,126
)
                 
Total
  $
181,165
    $
67,814