Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Jun. 29, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 27, 2020
Dec. 31, 2019
Income Tax Contingency [Line Items]          
Deferred provision for income taxes   $ 0 $ 0    
Increase in valuation allowance   $ 35,200,000 29,700,000    
Deferred tax assets net operating loss carryforwards ownership change in percentage   50.00%      
Offset percentage of taxable income   80.00%      
Unrecognized tax benefits, income tax penalties and interest expense   $ 0 0    
Unrecognized tax benefits   2,441,000 $ 1,536,000   $ 637,000
Impact of CARES Act to Income Taxes   0      
Suspension period 3 years        
Cap period 3 years        
Incentive tax credits offset amount of tax $ 5,000,000        
Taxable income $ 1,000,000        
CAA impact to tax provision       $ 0  
Uncertain tax positions related to liability   0      
Australia          
Income Tax Contingency [Line Items]          
Net operating loss carryforwards   1,500,000      
Federal [Member]          
Income Tax Contingency [Line Items]          
Net operating loss carryforwards   $ 255,900,000      
Deferred tax assets net operating loss carryforwards expiration year   2038      
Deferred tax assets, research and development tax credit carryforwards   $ 6,100,000      
Tax credit research and development carryforward expiration year   2038      
State [Member]          
Income Tax Contingency [Line Items]          
Net operating loss carryforwards   $ 263,000,000.0      
Deferred tax assets, research and development tax credit carryforwards   $ 3,000,000.0