Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

v3.20.1
STOCK-BASED COMPENSATION (Details) - 2015 Stock Option Plan [Member] - Time Based Shares Options [Member] - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dividend yield 0.00%
Expected Volatility  
Weighted-average volatility
Expected dividends
Expected term (in years)   10 years
Risk-free rate  
Minimum [Member]    
Expected Volatility   59.40%
Risk-free rate   2.64%
Maximum [Member]    
Expected Volatility   60.30%
Risk-free rate   2.72%