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Debt - Summary of Future Principal Payments (Details) - SVB and WestRiver
$ in Thousands
Mar. 31, 2022
USD ($)
Debt Instrument [Line Items]  
2022 (remaining nine months) $ 4,091
2023 1,364
Total principal payments 5,455
Less unamortized loan fees (30)
Total term loan borrowings $ 5,425