Quarterly report pursuant to Section 13 or 15(d)

Derivative Liability (Details)

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Derivative Liability (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Derivative Liability (Details)    
Stock price $ 15.50 $ 7.21
Risk-free interest rate 0.87% 0.36%
Expected volatility 135.00% 135.00%
Expected life (in years) 4 years 3 months 29 days 4 years 7 months 6 days
Expected dividend yield $ 0 $ 0
Fair value of warrants $ 842,000 $ 383,000