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SHAREHOLDERS' EQUITY (Tables)
3 Months Ended
Mar. 31, 2021
November 2019 Offering  
Schedule of Black-Scholes pricing model to determine the fair value of warrants

November 20, 2019

Risk-free interest rate

1.55

%

Dividend yield

0.00

%

Volatility factor of the expected market price of common stock

60

%

Weighted-average expected life

5 years

Weighted-average grant date fair value

$

0.52