Income Taxes - Additional Information (Detail) - USD ($)		12 Months Ended
	Jun. 29, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2007
Income Tax [Line Items]
Increase (decrease) in valuation allowance		$ (23,100,000)	$ 6,900,000
Gross federal R&D tax credit-related deferred tax assets derecognized		15,200,000
Unrecognized tax benefit		4,704,000	2,955,000	$ 1,871,000
Tax-related penalties or interest recognized		0	0
Uncertain tax positions		0	$ 0
Federal Income Tax
Income Tax [Line Items]
Net operating loss carryforwards		$ 226,400,000			$ 156,300,000
Net operating loss carryforwards expiration year		2037
Net operating loss carryforwards having indefinite life		$ 218,900,000
Tax credit carryforwards available to offset future federal tax liabilities		11,400,000
Credit carryforward, expire period			Dec. 31, 2040
Net operating loss carryforward, derecognized		32,800,000
State Income Tax
Income Tax [Line Items]
Net operating loss carryforwards		$ 8,000,000.0
Net operating loss carryforwards expiration year		2032
Tax credit carryforwards available to offset future federal tax liabilities		$ 7,500,000
CALIFORNIA
Income Tax [Line Items]
Net operating loss carryforwards		70,800,000
Net operating loss carryforward, derecognized		$ 0
Maximum amount of tax offset per year	$ 5,000,000.0
Required Minimum Taxable Income	$ 1,000,000.0