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Note F - Intangible Assets
 12 Months Ended
Dec. 31, 2013
Disclosure Text Block [Abstract]  
Intangible Assets Disclosure [Text Block]

NOTE F—INTANGIBLE ASSETS


Intangible assets consisted of the following as of December 31:


   

2013

   

2012

 
   

Gross

Carrying

Amount

   

Accumulated

Amortization

   

Net Carrying

Amount

   

Gross

Carrying

Amount

   

Accumulated

Amortization

   

Net Carrying

Amount

 
                                                 

Patents and patents pending

  $ 287,248     $ (112,298

)

  $ 174,950     $ 287,248     $ (91,337

)

  $ 195,911  
                                                 

Total

  $ 287,248     $ (112,298

)

  $ 174,950     $ 287,248     $ (91,337

)

  $ 195,911  

Aggregate amortization expense for the years ended December 31, 2013 and 2012, was $20,961 and $11,269 respectively. The estimated aggregate amortization expense of intangible assets for the years following December 31, 2014 is approximately $21,000 per year for 2014 through 2018, and approximately $70,000 thereafter.