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v3.23.1

Equity (Details 2) - USD ($) |  |  |  | 1 Months Ended
--- | --- | --- | --- | ---
Sep. 06, 2022 | Mar. 15, 2021 | Feb. 11, 2021 | Sep. 28, 2022 | Oct. 20, 2021
Equity |  |  |  |  |
Fair value options | $ 505,476 | $ 9,860 | $ 604,572 | $ 41,799 | $ 473,143
Options issued | 165,000 | 3,572 | 283,936 | 15,000 | 182,166
Exercise price | $ 5.25 | $ 5.60 | $ 5.60 | $ 4.75 | $ 5.60
Expected term (in years) | 3.0 | 3.0 | 3.0 | 3.0 | 3.0
Risk-free rate | 3.55% | 0.33% | 0.19% | 4.12% | 0.70%
Expected volatility | 89.30% | 99.30% | 97.90% | 89.20% | 96.60%

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