Quarterly report pursuant to Section 13 or 15(d)

Stock Options - Schedule of Fair Value Assumptions Using Black-Scholes Method (Details)

v3.21.1
Stock Options - Schedule of Fair Value Assumptions Using Black-Scholes Method (Details)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]    
Risk-free interest rate, minimum 0.10%  
Risk-free interest rate, maximum 0.36%  
Risk-free interest rate   0.39%
Average expected term (years) 5 years 5 years
Expected volatility 240.03% 270.10%
Expected dividend yield 0.00% 0.00%