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v3.22.4

Liquidity and Capital Resources (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 10, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Net loss |  | $ 88,602 | $ 52,697
Net cash used in operating activities |  | 72,587 | 48,111
Accumulated deficit |  | 299,548 | 210,946
Cash |  | 71,791 | 66,417
Research and development tax credit receivable |  | 15,695 |
Accounts receivable |  | 1,464 | 331
Related Party Transaction [Line Items] |  |  |
Proceeds from related party promissory notes |  | $ 110,000 | $ 0
2022 Note | Chief Executive Officer | Subsequent event |  |  |
Related Party Transaction [Line Items] |  |  |
Proceeds from related party promissory notes | $ 25,000 |  |

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