XML 61 R45.htm IDEA: XBRL DOCUMENT v3.22.4
Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Taxes [Line Items]      
Valuation allowance increased (decreased) value $ 67,000,000 $ (1,000,000)  
Net operating loss carryforwards amount with no expiration date 109,000,000    
Interest or penalties accrued 0 0  
Liability related to uncertain tax positions 0    
Reserve for unrecognized tax benefits 8,000,000 $ 5,000,000 $ 3,000,000
Unrecognized tax benefits that would impact effective tax rate $ 0    
Federal      
Income Taxes [Line Items]      
R&D costs amortization period 5 years    
Federal | Research      
Income Taxes [Line Items]      
Research tax credits $ 18,000,000    
Research tax credits, expiration year 2039    
State      
Income Taxes [Line Items]      
Net operating loss carryforwards $ 19,000,000    
Net operating loss carryforwards, expiration year 2035    
State | Earliest Tax Year | California      
Income Taxes [Line Items]      
Open tax year 2015    
State | Latest Tax Year | California      
Income Taxes [Line Items]      
Open tax year 2022    
State | Research      
Income Taxes [Line Items]      
Research tax credits $ 12,000,000    
Foreign Tax Authority      
Income Taxes [Line Items]      
R&D costs amortization period 15 years    
Foreign Tax Authority | Earliest Tax Year | Australian Taxation Office      
Income Taxes [Line Items]      
Open tax year 2018    
Foreign Tax Authority | Latest Tax Year | Australian Taxation Office      
Income Taxes [Line Items]      
Open tax year 2022    
Foreign Tax Authority | Research      
Income Taxes [Line Items]      
Research tax credits $ 3,000,000