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Summary of Significant Accounting Policies - Loan Facility Derivative Liability (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Loan Facility |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Trailing twelve month revenue target | $ 200,000 |
Fee on first installment drawn | 1,000 |
Fee if first two installments drawn | 2,000 |
Fee if first three installments drawn | 2,400 |
Fee if all four installments are drawn | 3,000 |
Derivative liability, loan facility | 1,400 |
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning of the period | 1,782 | $ 1,482
Issued | 0 | 0
Payment of success fee | (150) | 0
Change in fair value | (136) | 300
End of the period | $ 1,496 | $ 1,782
Fair Value, Inputs, Level 3 | Valuation Technique, Discounted Cash Flow | Fair Value, Measurements, Recurring |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash flow discount | 0.10 |

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