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Stockholders' Equity - Summary of Recognized Share-based Compensation Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation (Income) expense $ 2,148 $ 55
Selling, General and Administrative [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation (Income) expense 1,466 49
Research and Development [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation (Income) expense 630 $ 5
Cost of Goods Sold [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation (Income) expense $ 52