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Schedule of Stock Options (Tables)
3 Months Ended
Mar. 31, 2017
Schedule of Stock Options (Tables):  
Schedule of Stock Options (Tables)

The estimated fair value of the options was determined using the Black-Scholes pricing model using the following assumptions:

 

Expected term:

1.5 - 10 years

Volatility:

67.3 – 139.5%

Dividend yield:

0.00%

Risk-free interest rate:

.79 - 2.32%