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Note A - The Company and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2014
Disclosure Text Block [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   

December 31,

 
   

2014

   

2013

 
                 

Accounts receivable

  $ 645,867     $ 304,551  

Allowance for doubtful accounts

    (20,526

)

    (20,526

)

                 

Accounts receivable, net allowances for doubtful accounts

  $ 625,341     $ 284,025  
Summary of Valuation Allowance [Table Text Block]
   

Balance at

Beginning of Year

   

Charged to Costs

and Expenses

   

Deductions From

Reserves

   

Balance at

End of Year

 

Year Ended December 31, 2014

                               

Allowance for Doubtful Accounts

  $ 20,526     $ -     $ -     $ 20,526  

Year Ended December 31, 2013

                               

Allowance for Doubtful Accounts

  $ 20,526     $ -     $ -     $ 20,526  
Useful Lives of Property, Plan and Equipment [Table Text Block]
  2014  

Equipment and leasehold improvements

       

Equipment (years)

3 - 5  

Furniture and fixtures (years)

3 - 5  

Software (years)

  3    
Leasehold improvements   life or lease term    
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
   

Year ended

December 31,

 
   

2014

   

2013

 
                 

Selling, general and administrative

  $ 161,466     $ 60,151  

Research, development and engineering

    45,792       21,491  
    $ 207,258     $ 81,642  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Year ended

December 31,

 
   

2014

   

2013

 

Risk free interest rate

    1.34

%

    0.68

%

Expected life of options (in years)

    4.5       4.5  

Expected dividends

    0

%

    0

%

Volatility of stock price

    119

%

    139

%