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Note C - Fair Values of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value Inputs, Assets, Quantitative Information [Table Text Block]
  2014  

Risk free interest rate

0.59% - 0.61%  

Expected term

1.82 - 1.86  

Expected dividends

     

Volatility of stock price

79.3% - 79.7%  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Compensatory Warrant (Note L3)

       
 

Fair value at January 1, 2014

    36,370  
 

Loss on derivative

    6,227  
 

Transfer to additional paid-in-capital

    (42,597

)

 

Value at December 31, 2014

    -  
           

Warrants issued Under PI SPA (Note L2c)

       
 

Fair value at January 1, 2014

    206,707  
 

Gain on derivative

    (163,480

)

 

Value at December 31, 2014

    43,227  
           

Balance, December 31, 2014

  $ 43,227