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Stock-based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended
May 14, 2019
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Stock-based compensation expense recognized   $ 20,000 $ 0  
December 31, 2026 [Member]        
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Amount remaining to be recognized as expense   $ 210,000    
2019 Equity Incentive Plan [Member]        
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Number of shares authorized for issuance 450,000      
Vesting rate 20.00%      
2019 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member]        
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Exercise price of options outstanding   $ 10.54   $ 10.46
2019 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]        
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Exercise price of options outstanding   14.50    
2019 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Minimum [Member]        
Disclosure Of Compensation Related Costs Share based Payments [Line Items]        
Exercise price of options outstanding   $ 10.00