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Term Loan - Additional Information (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2021 USD ($) $ / shares shares | Apr. 30, 2020 USD ($) $ / shares shares | Jun. 30, 2022 USD ($)
Debt Instrument [Line Items] |  |  |
Percentage of fee on loan |  |  | 5.00%
Loan Agreement |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, description | In May 2021, the parties further amended the Loan Agreement (as amended, the “2021 Loan Agreement”). The 2021 Loan Agreement increased the Term A Loan Facility to up to $20.0 million, which was fully drawn as of December 2021. The Term B Loan Facility of up to $5.0 million remains available to be drawn upon on achievement of certain additional milestones, on or before September 30, 2022. | In April 2020, the Company entered into a Loan and Security Agreement, (the “Loan Agreement”) with the lenders referred to therein (the “Lenders”), and Silicon Valley Bank (“SVB”), as collateral agent. The Loan Agreement provided for (i) a secured term A loan facility (the “Term A Loan Facility”) of up to $10.0 million and (ii) a secured term B loan facility (the “Term B Loan Facility”) of up to $5.0 million that became available upon the satisfaction of certain milestones, each of which was available to be drawn through May 31, 2021. The term loan is secured by certain assets of the Borrowers (as defined in the Loan Agreement), including substantially all of the assets of the Company, excluding the Company’s intellectual property. The term loan contains customary representations, warranties, affirmative covenants and also certain restrictive covenants. |
Warrants to purchase common stock | shares | 33,923 |  |
Warrant exercise price | $ / shares | $ 19.12 |  |
Warrant expiration date | May 28, 2031 | Jun. 30, 2025 |
Debt issuance costs, gross | $ 600 | $ 600 |
Proceeds from sale of available-for-sale securities, equity |  |  | $ 75,000
Debt instrument, interest rate |  | 4.25% | 5.75%
Deferred tax assets | 400 |  |
Loan Agreement | Measurement Input, Expected Dividend Payment |  |  |
Debt Instrument [Line Items] |  |  |
Fair value of warrant assumptions, dividends | $ 0 |  |
Loan Agreement | Valuation Technique, Option Pricing Model | Measurement Input, Risk Free Interest Rate |  |  |
Debt Instrument [Line Items] |  |  |
Fair measurement input | 0.016 |  |
Loan Agreement | Valuation Technique, Option Pricing Model | Measurement Input, Price Volatility |  |  |
Debt Instrument [Line Items] |  |  |
Fair measurement input | 0.986 |  |
Loan Agreement | Valuation Technique, Option Pricing Model | Measurement Input, Expected Term |  |  |
Debt Instrument [Line Items] |  |  |
Fair measurement input | 10 years |  |
Loan Agreement | Prime Rate |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  |  | 1.00%
Loan Agreement | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, interest rate |  |  | 4.25%
Prepayment fee percentage. |  |  | 1.00%
Loan Agreement | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Prepayment fee percentage. |  |  | 3.00%
Loan Agreement | Other Assets |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuance costs, gross |  | $ 200 |
Loan Agreement | Term A Loan Facility |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity | $ 20,000 | $ 10,000 |
Warrants to purchase common stock | shares |  | 25,000 |
Warrant exercise price | $ / shares |  | $ 22.06 |
Credit facility maturity date |  |  | Sep. 01, 2024
Loan Agreement | Term B Loan Facility |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 5,000 |
Warrants to purchase common stock | shares | 11,305 |  |
Line of credit facility maximum borrowing capacity | $ 5,000 |  |

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