Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 1)

v3.8.0.1
STOCK-BASED COMPENSATION (Details 1)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Expected dividend yield 0.00% 0.00%
Minimum [Member]    
Risk-free interest rate 1.75% 0.85%
Expected term of option 5 years 6 years
Expected stock price volatility 76.61% 73.46%
Maximum [Member]    
Risk-free interest rate 2.29% 1.86%
Expected term of option 7 years 10 months 28 days 9 years 22 days
Expected stock price volatility 77.59% 81.59%