Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 3)

v3.21.2
Summary of Significant Accounting Policies (Details 3) - 2019 Plan
3 Months Ended
Jun. 30, 2021
$ / shares
shares
Market price per share at grant date $ 2.48
Exercise price per share $ 2.48
Risk-free interest rate 1.08%
Estimated term in years 6 years 29 days
Volatility 82.76%
Dividend rate 0.00%
Shares portion | shares 575,000
Fair value per share $ 1.74
Minimum  
Market price per share at grant date 2.04
Exercise price per share $ 2.04
Risk-free interest rate 0.98%
Estimated term in years 5 years 9 months 14 days
Volatility 82.64%
Dividend rate 0.00%
Maximum  
Market price per share at grant date $ 2.60
Exercise price per share $ 2.60
Risk-free interest rate 1.12%
Estimated term in years 6 years 1 month 28 days
Volatility 83.48%