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Note 8 - Fair Values of Financial Instruments
3 Months Ended
Mar. 31, 2015
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block]

8.

FAIR VALUES OF FINANCIAL INSTRUMENTS      


Cash and cash equivalents, accounts receivable, due from/to factor, accounts payable and accrued liabilities are carried at, or approximate, fair value because of their short-term nature.


The fair value of the warrant liabilities were measured using the following assumptions:


Risk-free interest rate

    0.21 %

Expected term

 1.57  - 1.61  

Expected dividends

    0  

Volatility of stock price

78.2 % - 78.7 %

The warrant 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 utilizes historical volatility as inputs.


Warrant issued under PI SPA

       

Fair value at January 1, 2015

    43,227  

Gain on derivative

    (14,659
         

Balance, March 31, 2015

  $ 28,568