Quarterly report pursuant to Section 13 or 15(d)

Schedule of Stock option activity (Tables)

v3.5.0.2
Schedule of Stock option activity (Tables)
6 Months Ended
Jun. 30, 2016
Schedule of Stock option activity (Tables):  
Schedule of Stock option activity

Exercise prices in effect at January 1, 2015 and through June 30, 2016 for Series B and Series D warrants are as follow:

 

Series B

Series D

 January 1, 2015

 

$ 0.11

 

$ 1.60

Schedule of Assumptions used to value the options granted and warrants issued using the Black-Scholes option pricing model:

The following table provides the assumptions used to value the options granted and warrants issued using the Black-Scholes option pricing model:

 

Series E

Series F

and G

and H

Stock price volatility

111.60%

111.60%

Risk-free rate of return

4.26%

4.26%

Annual dividend yield

0.00%

0.00%

Expected life (in years)

0.5

3.0