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Property and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property Plant And Equipment [Line Items]    
Depreciation Expense $ 1.8 $ 1.6
Manufacturing Equipment and Computer Hardware    
Property Plant And Equipment [Line Items]    
Amount of divestiture of long-lived   $ 6.7
Manufacturing and Lab Equipment    
Property Plant And Equipment [Line Items]    
Amount of divestiture of long-lived $ 0.3