Annual report pursuant to Section 13 and 15(d)

Schedule of Fair Value Measurement Assumptions (Details)

v3.22.1
Schedule of Fair Value Measurement Assumptions (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]    
Expected dividend yield
Risk-free interest rate 0.33% 0.33%
Expected volatility 122.69% 111.55%
Expected term (in years) 3 years 5 years 9 months
Grant-date fair value of stock options awarded $ 1.09 $ 3.03