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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Tax [Line Items]    
U.S. federal income tax rates 21.00% 21.00%
Misstated deferred tax balances and corresponding valuation allowance $ 52,861 $ 53,868
Immaterial error correction   The net amount and impact are zero. We evaluated the materiality of the adjustment and concluded that its impact was not material on our financial statements taken as a whole and did not affect our balance sheet, statement of operations, stockholders’ equity or cash flows, for any periods presented.
Capitalized research and development 1,054  
Valuation allowance 51,795 $ 53,066
Change in the valuation allowance 2,200 9,800
State Member    
Income Tax [Line Items]    
Net operating loss carryforwards $ 58,800  
Net operating loss carryforwards expiration year 2028  
Domestic Tax Authority    
Income Tax [Line Items]    
Net operating loss carryforwards $ 47,000  
Misstated Deferred Tax Balances and Corresponding Valuation Allowance    
Income Tax [Line Items]    
Misstated deferred tax balances and corresponding valuation allowance   3,000
As Adjusted    
Income Tax [Line Items]    
Misstated deferred tax balances and corresponding valuation allowance   50,865
Valuation allowance   $ 49,643
Federal    
Income Tax [Line Items]    
Net operating loss carryforwards $ 170,100  
Net operating loss carryforwards expiration year 2027  
Research and Development Tax Credit    
Income Tax [Line Items]    
Net operating loss carryforwards $ 6,300  
Net operating loss carryforwards expiration year 2029