Balance Sheet Information - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Allowance for credit losses	$ 16.0		$ 26.0
Consigned inventory with customers	0.5		0.4
Allowance for inventory losses	3.4		$ 4.1
Depreciation and amortization	$ 0.8	$ 0.7
Equipment [Member]
Property, Plant and Equipment [Line Items]
Period over which assets are depreciated	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Period over which assets are depreciated	7 years
Building [Member]
Property, Plant and Equipment [Line Items]
Period over which assets are depreciated	30 years
Minimum [Member]
Property, Plant and Equipment [Line Items]
Standard term of accounts receivable	30 days
Minimum [Member] | Computer Equipment and Software Licenses [Member]
Property, Plant and Equipment [Line Items]
Period over which assets are depreciated	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Standard term of accounts receivable	90 days
Useful lives of the assets	1 year
Maximum [Member] | Computer Equipment and Software Licenses [Member]
Property, Plant and Equipment [Line Items]
Period over which assets are depreciated	5 years