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Common Stock - Equity Awards - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for options currently outstanding | 2,263,914 | 2,139,414
Number of shares granted | 124,500 |
Unrecognized compensation expense related to stock options granted | $ 2.3 |
Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Weighted-average period, restricted stock awards | 2 years 7 days |
Employee Stock Option [Member] | Employees and Consultants [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 4 years |
Employee Stock Option [Member] | Minimum [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award expiration period | 7 years |
Employee Stock Option [Member] | Minimum [Member] | Board of Directors [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 1 year |
Employee Stock Option [Member] | Maximum [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award expiration period | 10 years |
Employee Stock Option [Member] | Maximum [Member] | Board of Directors [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 3 years |
Restricted Stock Unit [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Restricted shares reserved for issuance under incentive plan | 2,588,650 |
Award vesting period | 4 years |
Weighted-average period, restricted stock awards | 10 months 13 days |
2018 Equity Incentive Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 168,614 |
Award expiration period | 10 years |
2018 Equity Incentive Plan [Member] | Minimum [Member] | Employees and Consultants [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 3 years |
2018 Equity Incentive Plan [Member] | Minimum [Member] | Board of Directors [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 1 year |
2018 Equity Incentive Plan [Member] | Maximum [Member] | Employees and Consultants [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 4 years |
2018 Equity Incentive Plan [Member] | Maximum [Member] | Board of Directors [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 3 years |
2018 Equity Incentive Plan [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 4,401,669 |
Common shares reserved for options currently outstanding | 1,644,405 |
New Employee Inducement Grants [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for options currently outstanding | 135,000 |
Award expiration period | 10 years |
Number of shares granted | 0 |
2017 Equity Incentive Plan [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 13,156 |
2010 Performance Incentive Plan [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 103 |
2023 Non Employee Director Equity Incentive Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 9,750 |
Award expiration period | 10 years |
2023 Non Employee Director Equity Incentive Plan [Member] | Minimum [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 1 year |
2023 Non Employee Director Equity Incentive Plan [Member] | Maximum [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Award vesting period | 3 years |
2023 Non Employee Director Equity Incentive Plan [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 300,000 |
Common shares reserved for options currently outstanding | 290,250 |
2024 Equity Inducement Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 901,000 |
Award expiration period | 10 years |
2024 Equity Inducement Plan [Member] | Employee Stock Option [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for issuance under incentive plan | 1,250,000 |
Common shares reserved for options currently outstanding | 181,000 |
2024 Equity Inducement Plan [Member] | Restricted Stock Unit [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Common shares reserved for options currently outstanding | 168,000 |

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