Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 6)

v3.8.0.1
Stockholders' Equity (Details 6)
12 Months Ended
Dec. 31, 2017
$ / shares
Expected volatility 91.00%
Risk free interest rate 1.00%
Dividend yield rate 0.00%
Weighted average remaining expected life 4 years 2 months 12 days
Closing price per share – common stock $ 1.05
Minimum [Member]  
Expected volatility 87.50%
Risk free interest rate 2.24%
Maximum [Member]  
Expected volatility 91.00%
Risk free interest rate 2.42%