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Series B Warrants (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Series B Warrants [Abstract]    
Schedule of Series B Warrants

Nine Months

Ended September 30,

2017

2016

Dividend yield

0.00

%

0.00

%

Volatility factor

70.00

%

70.00

%

Risk-free interest rate

1.58

%

1.11-1.29

%

Expected term (years)

3.15

4.14-4.15

Weighted-average fair value of warrants

$

0.17

$

0.13

 

 

Years

Ended December 31,

 

 

 

2016

 

 

2015

 

Dividend yield

 

 

0.00%

 

 

0.00%

Volatility factor

 

 

70.00%

 

 

70.00%

Risk-free interest rate

 

 

1.616
%

 

 

1.75%

Expected term (years)

 

 

3.63

 

 

 

4.61

 

Weighted-average fair value of warrants

 

$0.17

 

 

$0.46