| Schedule of common stock | |
| | |
| Conversion of Common Stock warrants | |
| 19,789,379 | |
| 2013 Equity Incentive Plan | |
| 17,278,905 | |
| 2021 Equity Incentive Plan | |
| 37,504,358 | |
| Outside of 2021 Equity Incentive Plan | |
| 709,633 | |
| Total shares of Common stock reserved for issuance | |
| 75,282,275 | |