Annual report pursuant to Section 13 and 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)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Average expected term (years) 5 years 5 years
Expected dividend yield 0.00% 0.00%
Maximum [Member]    
Risk-free interest rate 0.17% 1.51%
Expected volatility 255.23% 180.00%
Minimum [Member]    
Risk-free interest rate 0.39% 2.75%
Expected volatility 270.57% 413.83%