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Stock-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
May 26, 2022 | May 14, 2019 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Disclosure Of Compensation Related Costs Share based Payments [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense recognized |  |  | $ 29 | $ 19 | $ 58 | $ 39 |
December 31, 2027 [Member] |  |  |  |  |  |  |
Disclosure Of Compensation Related Costs Share based Payments [Line Items] |  |  |  |  |  |  |
Amount remaining to be recognized as expense |  |  | $ 238 |  | $ 238 |  |
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 |  |  | $ 10.06 |  | $ 10.06 |  | $ 10.11
Number of stock options, Granted |  |  |  |  | 0 |  |
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 |  |  | 14.5 |  | $ 14.5 |  |
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 |  |  | $ 9 |  | $ 9 |  |
2022 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Disclosure Of Compensation Related Costs Share based Payments [Line Items] |  |  |  |  |  |  |
Number of shares authorized for issuance | 475,000 |  |  |  |  |  |
2022 Equity Incentive Plan [Member] | Minimum [Member] |  |  |  |  |  |  |
Disclosure Of Compensation Related Costs Share based Payments [Line Items] |  |  |  |  |  |  |
Vesting rate | 95.00% |  |  |  |  |  |
Minimum period to vest for 95% of the awards | 1 year |  |  |  |  |  |

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