Goodwill and Intangible Assets - Summary Of Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 12,026		$ 12,026		$ 12,026
Intangible Assets, Gross	4,360		4,360		4,360
Intangible Assets - Balance at December 31, 2019			4,110
Accumulated Amortization	(470)		(470)		(250)
Amortization expense	(100)	$ 0	(220)	$ 0
Intangible Assets - Balance at June 30, 2020	3,890		$ 3,890		$ 4,110
Developed technology [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated Useful Life			10 years		10 years
Weighted Average Remaining Life			9 years 1 month 6 days		9 years 6 months
Intangible Assets, Gross	4,200		$ 4,200		$ 3,600
Intangible Assets - Balance at December 31, 2019			3,420
Accumulated Amortization	(390)		(390)		(180)
Intangible Assets - Balance at June 30, 2020	3,810		$ 3,810		3,420
In-process technology [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets					$ 600
Trademarks and trade names [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated Useful Life			6 months		6 months
Intangible Assets, Gross	60		$ 60		$ 60
Accumulated Amortization	(60)		$ (60)		$ (60)
Customer-related intangible [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated Useful Life			5 years		5 years
Weighted Average Remaining Life			4 years		4 years 6 months
Intangible Assets, Gross	100		$ 100		$ 100
Intangible Assets - Balance at December 31, 2019			90
Accumulated Amortization	(20)		(20)		(10)
Intangible Assets - Balance at June 30, 2020	$ 80		$ 80		$ 90