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Borrowings (Tables) | 9 Months Ended
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Sep. 30, 2021
Debt Disclosure [Abstract] |
Schedule of Future Principal Debt Payments On Currently Outstanding Loan Payable | Future principal debt payments on the currently outstanding loan payable as of September 30, 2021 are as follows (in thousands):
2021 |  | $ | — |
2022 |  |  | — |
2023 |  |  | — |
2024 |  |  | 20,737 |
2025 |  |  | 9,263 |
Total principal payments |  |  | 30,000 |
Final fee due at maturity |  |  | 1,185 |
Total principal and final fee payment |  |  | 31,185 |
Unamortized discount and debt issuance costs |  |  | (2,606 | )
Less current portion |  |  | — |
Loan payable, long term |  | $ | 28,579 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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