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v3.21.1

Subsequent Events - Additional Information (Details) | 1 Months Ended |  |
--- | --- | --- | ---
May 31, 2021 USD ($) Tranche $ / shares | Mar. 31, 2021 $ / shares | Dec. 31, 2020 $ / shares
Subsequent Event [Line Items] |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0.001 | $ 0.001
Subsequent Event | SVB |  |  |
Subsequent Event [Line Items] |  |  |
Minimum outstanding term loan principal percentage for financial covenant waived | 50.00% |  |
Subsequent Event | Loan and Security Agreement | Hercules Capital Inc. and Silicon Valley Bank |  |  |
Subsequent Event [Line Items] |  |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |
Multiplier value by aggregate amount of the term loan advances divided by exercise price of warrants to calculate number of shares for purchase | 0.04 |  |
Subsequent Event | Loan and Security Agreement | Term Loan |  |  |
Subsequent Event [Line Items] |  |  |
Notes maturity date | Mar. 03, 2025 |  |
Basis spread on variable rate (as a percent) | 9.05% |  |
Debt instrument maturity date subject to occurrence of certain conditions | May 01, 2025 |  |
Subsequent Event | Loan and Security Agreement | Term Loan | Prime Rate |  |  |
Subsequent Event [Line Items] |  |  |
Basis spread on variable rate (as a percent) | 5.80% |  |
Subsequent Event | Loan and Security Agreement | Term Loan | Hercules Capital Inc. and Silicon Valley Bank |  |  |
Subsequent Event [Line Items] |  |  |
Face amount | $ 60,000,000.0 |  |
Number of available tranches | Tranche | 4 |  |
Subsequent Event | Loan and Security Agreement | Initial Tranche of Term Loan |  |  |
Subsequent Event [Line Items] |  |  |
Additional borrowing amount available | $ 20,000,000.0 |  |
Subsequent Event | Loan and Security Agreement | Second Tranche of Term Loan |  |  |
Subsequent Event [Line Items] |  |  |
Additional borrowing amount available | 10,000,000.0 |  |
Subsequent Event | Loan and Security Agreement | Third Tranche of Term Loan |  |  |
Subsequent Event [Line Items] |  |  |
Additional borrowing amount available | 5,000,000.0 |  |
Subsequent Event | Loan and Security Agreement | Fourth Tranche of Term Loan |  |  |
Subsequent Event [Line Items] |  |  |
Additional borrowing amount available | 25,000,000.0 |  |
Increment debt amount | 5,000,000.0 |  |
Subsequent Event | New Jersey |  |  |
Subsequent Event [Line Items] |  |  |
Selling value of unused net operating losses and research and development credit | $ 4,200,000 |  |

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