Property and Equipment, Net - Summary of Depreciation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 378	$ 102	$ 611	$ 193
Cost of sales (exclusive of amortization of acquired intangible asset)
Property, Plant and Equipment [Line Items]
Depreciation and amortization	111	74	213	140
Research and development
Property, Plant and Equipment [Line Items]
Depreciation and amortization	64	3	108	5
Selling, general and administrative
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 203	$ 25	$ 290	$ 48