XML 66 R27.htm IDEA: XBRL DOCUMENT v3.19.3
STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2019
Equity [Abstract]  
Schedule of warrants to purchase common stock

The assumptions used in the Black-Scholes Model are set forth in the table below.

 

Stock price   $ 2.50  
Risk-free interest rate     1.56-15.8%  
Volatility     38.05-40.55%  
Expected life in years     3-5  
Dividend yield     0.00 %