Quarterly report pursuant to Section 13 or 15(d)

STOCK OPTIONS - Summary of Stock Options Pricing (Details)

v3.19.3
STOCK OPTIONS - Summary of Stock Options Pricing (Details) - Stock Option
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Expected volatility   78.00%
Expected volatility, minimum 71.61%  
Expected volatility, maximum 72.11%  
Risk free interest rate, minimum 1.37% 2.46%
Risk free interest rate, maximum 2.51% 2.73%
Expected life (years) 5 years 5 years