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Fair Value Measurements (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Warrant liability, beginning of period $ 0
Additions to warrant liability 186
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net (97)
Warrant liability, end of period $ 89