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Redeemable Convertible Preferred Stock Tranche Liability (Tables) | 9 Months Ended
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Sep. 30, 2021
Temporary Equity Disclosure [Abstract] |
Schedule of Valuation of the Redeemable Convertible Preferred Stock Tranche Liability | The following reflects the significant quantitative inputs used in the valuation of the redeemable convertible preferred stock tranche liability:
|  | Series A-1 Tranche Call Option |
Estimated fair value of redeemable convertible preferred stock |  | $6.94 - $11.10 |
Discount rate |  |  | 0.10 | %
Dividend yield |  |  | 0 | %
Expected term (years) |  | 0.25 - 0.45 |
Expected volatility |  | N/A |
Probability of milestone achievement |  | 80% - 100% |
Strike price |  | $ | 7.80 |
Fair value of each tranche feature |  | $0.86 - $3.32 |
Schedule of the Rollforward Redeemable Convertible Preferred Stock Tranche Liability | A rollforward of the redeemable convertible preferred stock tranche liability is as follows (in thousands):
Balance at December 31, 2020 |  | $ | 551 |
Change in fair value |  |  | 11,718 |
Settlement upon issuance of Series A-1 redeemable convertible preferred stock |  |  | (12,269 | )
Balance at September 30, 2021 |  | $ | — |

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- Definition Tabular disclosure for rollforward of redeemable convertable preferred stock tranche liability. + References No definition available. + Details
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- Definition Tabular disclosure of information about valuation of redeemable convertible preferred stock tranche liability. + References No definition available. + Details
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