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v3.22.1

Merger with NHIC and Related Transactions (Details) |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Jul. 16, 2021 USD ($) $ / shares shares | Aug. 04, 2020 shares | Mar. 31, 2022 $ / shares shares | Dec. 31, 2021 $ / shares shares
Business Acquisition [Line Items] |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares |  |  | $ 0.0001 | $ 0.0001
Number Of Shares Issued For Each Unit Of Common Stock |  | 1 |  |
Number of warrants issued for each unit |  | 0.5 |  |
Issuance of common stock in connection with the closing of the Merger (in shares) |  |  | 10,391,513 |
Earn-out shares issuable upon achieving certain milestones |  |  | 15,000,000 |
Shares cancelled |  |  | 567,979 |
Number of stock options outstanding |  |  | 21,964,309 | 20,769,130
Common stock, issued |  |  | 143,322,036 | 142,745,021
Common stock, outstanding |  |  | 143,322,036 | 142,745,021
Warrants to purchase shares of common stock |  |  | 16,877,906 | 16,877,907
NewHold Investment Corp |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ | $ 0 |  |  |
Number of shares | 94,192,534 |  |  |
Exchange ratio | 0.378 |  |  |
Shares cancelled | 57,938,375 |  |  |
Number of stock options outstanding | 21,891,254 |  |  |
Gross proceeds received from Merger | $ | $ 84,900,000 |  |  |
Percentage owned by shareholders | 92.70% |  |  |
NewHold Investment Corp | New Hold Investment Corporation, Inc |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Ownership percentage | 7.30% |  |  |
Subscription Agreements |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Received gross proceeds from PIPE investment | $ | $ 300,000,000.0 |  |  |
Issuance of common stock in connection with the consummation of the PIPE Investment (in shares) | 30,000,000 |  |  |
Purchase price of share | $ / shares | $ 10.00 |  |  |
Series A-1 Preferred Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common Stock Issuable Upon Conversion of Temporary Equity | 24,359,107 |  |  |
Conversion ratio | 1 |  |  |
Series A Preferred Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common Stock Issuable Upon Conversion of Temporary Equity | 3,484,240 |  |  |
Conversion ratio | 2 |  | 2 |
Series B-1 Preferred Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common Stock Issuable Upon Conversion of Temporary Equity | 34,129,398 |  |  |
Conversion ratio | 1 |  |  |
Series B Preferred Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common Stock Issuable Upon Conversion of Temporary Equity | 15,367,312 |  |  |
Conversion ratio | 1 |  | 1 |

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