Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.22.4
Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2018
Income Taxes [Line Items]      
Increased in valuation allowance $ 25,300,000 $ 25,000,000.0  
Percentage of net operating losses with indefinitely carryforward period 80.00%    
Deferred tax liability $ 700,000    
Interest or penalties accrued 0 0  
California      
Income Taxes [Line Items]      
Research and experimental credits carryforwards $ 1,600,000    
Research and experimental credits carryforwards, expiration The California research and experimental tax credits carry forward indefinitely until utilized.    
Federal      
Income Taxes [Line Items]      
Net operating loss carryforwards subject to expiration $ 67,100,000 78,400,000  
Net operating loss carryforward not subject to expiration $ 4,900,000    
Net operating loss carryforwards latest expiration year 2028    
Net operating loss carryforwards     $ 62,200,000
Research and experimental credits carryforwards $ 1,700,000    
Research and experimental credits carryforwards, expiration The federal research and experimental tax credits will begin to expire, if not utilized, in 2027.    
State      
Income Taxes [Line Items]      
Net operating loss carryforwards latest expiration year 2023    
Net operating loss carryforwards $ 43,800,000 $ 49,700,000