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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 |  |

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