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Note C - Fair Values of Financial Instruments
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
NOTE C—FAIR VALUES OF FINANCIAL INSTRUMENTS
 
Cash and cash equivalents, accounts receivable, inventory, due from factor, accounts payable and accrued liabilities are carried at, or approximate, fair value because of their short-term nature.
 
For the embedded derivatives that were bifurcated from the associated host instruments, the Company utilized the Monte Carlo simulation. The stock volatility for each grant is determined based on the review of the experience of the weighted average of historical daily price changes of the Company’s common stock over the expected term and the risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for periods corresponding with the expected term of the derivative.
 
The warrant and derivative liabilities are considered Level
3
liabilities on the fair value hierarchy as the determination of fair value includes various assumptions about future activities and the Company’s stock prices and historical volatility as inputs.
  
The table below provides a reconciliation of the beginning and ending balances for the liabilities measured at fair value using significant unobservable inputs (Level
3).
There were no assets as of or during the years ended
December
31,
2016
and
2015
measured using significant unobservable inputs.
 
Fair Value Measurements Using
 
Significant Unobservable Inputs (Level
3):
  
Warrants issued Under October and November 2013 PI SPA (Note O2c)
       
Fair value at January 1, 2016
  $
7,478
 
Gain on derivative
   
(7,478
)
Value at December 31, 2016 (expired)
  $
-
 
         
Warrant issued under September 2015 SPA (Note I)
       
Fair value at January 1, 2016
  $
96,806
 
Gain on derivative
   
(4,607
)
Transfer grant date fair value to additional paid-in-capital
   
(92,199
)
Value at December 31, 2016
  $
-
 
Total warrant balance, December 31, 2016
  $
-