Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Narrative (Details)

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Property and Equipment - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property and equipment, net of accumulated depreciation $ 1,832   $ 1,413
Depreciation 91 $ 71  
Construction in Progress      
Property, Plant and Equipment [Line Items]      
Property and equipment, net of accumulated depreciation $ 1,200   $ 700