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Debt - Summary of Interest Expense (Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Debt Instrument [Line Items] |  |  |  |
Interest expense | $ 991 | $ (7) | $ 1,645 | $ 4,057
Accretion of debt discount - issuance costs | 432 | 0 | 690 | 1,741
Accretion of debt discount - warrants | 0 | 0 | 0 | 1,029
2022 Promissory Note |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense | 463 | 0 | 463 | 0
2021 Promissory Note |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense | 49 | 0 | 349 | 0
2020 Convertible Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense | 0 | 0 | 0 | 1,111
All other debt and financing obligations |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense | $ 47 | $ (7) | $ 143 | $ 176

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